The rectangular floor of a warhouse is 300 feet eide and 359 feet long. if the width?

Question

The rectangular floor of a warhouse is 300 feet eide and 359 feet long. if the width remains fixed , how many additional feer wuld have to ne added to the length to increase the flooor area by 20 percent

ans:70


A band is paid $700 per concert. The leader receives 25% of this amount and the other 5 members share the rest equlally. How much does each of the 5 other members receive?

ans:105$


After 2 females leave a party, there are twice as many males as females. Then 9 males leave and there r twice as many females as males.
The total number of people left at the party after the 9 males leave

A postal clerk sold 75 stamps for a total of $10.85. some of the stamps were 15-cent stamps and the remiander of the stamops were 13-cent stamps, How many of the stamps were 13-cent stamps?

ans:20

Answer 1

Well, looks like you have the answers. My work here is done.

Answer 2

The area of a rectangle is length X width, so

300 feet = sides = width, is fixed
359 feet = length = increase by 20 %, so

(359)(20%) = 71.8 additional feet.


band paid $700 leader gets 25%, so

($700)(25%) = $175 is the leaders pay

$700 - $175 = $525 is left for the 5 others to share.

$525/5 = $105. each is what the other 5 members receive.

I think something is missing on this one

After 2 females leave a party, there are twice as many males as females. Then 9 males leave and there r twice as many females as males.
The total number of people left at the party after the 9 males leave ----------------------------------------------


You need to set up two equations to solve this.
Use the substitution method

75 stamps total.
the value of the stamps are .13 and .15 for a total of $10.85

1). x + y = 75

2). .13x + .15y = $10.85

Take equation 1 and multiply -.13 to both sides

(-.13)( x + y) = (75)(-.13)

-.13x + -.13y = -9.75
.13x + .15y = $10.85
----------------------------------------
.02y = 1.1 divide both sides by .02
y = 55 now plug back in equation 1

x + 55 = 75 now solve for x. subtract 55 from both sides.
x = 20 , which means 20 stamps were 13 cent stamps.

Answer 3

I will like to provide answers to these questions one after the other. But before I continue, i will like to say that the 3rd question wasn't finished hence i will provide you with an incomplete solution. I hope you can from where I stoped complete the rest.

1. Original area of floor = 300 x 359 = 107700 sq feet
20% more floor area = 107700 + 20% of 107700 = 129240 sq ft
Since the width is held constant, New lenght = 129240 / 300
= 430.8 ft
Additional feet required to be added to the width
= 430.8 - 359 = 71.8ft approximately 72ft

2 25% of $700 commision = 25% of $700 = $175
Amount left for the rest of the band = $700-$175 = $525
Share of each of the remaining 5 members = 525/5 = $105

3. Let the original number of females in the party be X females
# of females atbthe party after two left = (X-2)
# of males = 2(X-2)
# of males left in the party after 9 of them left = [2(X-2) - 9]
# of females at this point = 2[2(X-2)-9]
# of people left in the party at this point = # of females + # of males.
= 2[2(X-2)-9] + [2(X-2)-9]
= 2(2X-4-9) + 2X-4-9
=2(2x-13) +2X-13
=4X-26+2X-13
=6X-39
This question is incomplete. The asker can complete the question on his/her own.

4. Let the # of 13 cents stamps be X stamps
Therefore, # of 15 cents stamps = (75 - X) stamps
13X + 15(75 -X) = 1085 ( working in cents)
13X +1125 -15X = 1085
13X - 15X = 1085 -1125
-2X = -- 40
Therefore X = -40/-2 = 20 stamps

Hence, the number of 13cents stamps is 20 stamps.

It is my hope that the asker will find the above effort helpful.

Answer 4

What do you really want to know when you have answered it al yourself.

If there is anything you dont know or something.. be more specific in asking your doubts.

Be detailed in asking your doubts so that we can help you out

Answer 5

Well, you do have all the answers, then why burn 5 points? Anyway, thanks for the 2 points, I've reached 801 in 8 days!

Answer 6

Well nothing for me to do.