Math Questions????

Question

1. Identify the base in the following application:
The sales tax rate in a state is 7.5%. If you pay a tax of $8.50 on an item that you purchase, what is its selling price?
2. Complete the following statement.
96 fl oz = ________ pt
3. Multiply.
8 x (4 min 16 s)
4. Choose the most reasonable measure.
The height of a doorway.
2.5 cm
2.5 m
0.25 km
5. Complete the statement.
980 cm = ________ m
6. Choose the most reasonable measure of weight.
A cow
5,000 mg
50 g
500 kg
7. 18 kg = ________ g
8. Complete the statement, using a metric unit of volume.
An eyedropper holds 5 ________.

Answer 1

1. pbt =price before tax
pbt*sales tax rate = sales tax
pbt*0.075=8.50
pbt= 8.50/0.075
pbt=113.33

Price with tax = 113.33 +8.50 = 121.83

2. 96 fl oz = 6 pints
3. 8*(4m 16 s)
need to convert to seconds
8*(4*60+16) 8(256) = 2048 seconds
4. 2.5m
5. .98m
6. 500 kg
7. 18,000 grams
8. 5 milligrams