i have a math problem someone wants me to do and we have difeerent answers for my question so could u plz help me and wat is 1and 1/2 doubled
the problem part of that is it took 1 1/2 hours to mow the first lawn and the second lawn took twice as long
2007-02-04 04:48:29 · 7 answers · asked by blue_Eyes03 2 in Science & Mathematics ➔ Mathematics
1 1/2 doubled is 3. A quarter of an hour is 15 minutes and 3 quarters of an hour is 45 minutes. If you take an hour and divide it into 4 you have 4 quarters each equalling 15 minutes. If you divide it in half you have 2 halves equalling 30 minutes. Since two halves make a whole, 1 and a half and 1 and a half equals 3.
2007-02-04 04:57:06 · answer #1 · answered by specplusoh 2 · 0⤊ 0⤋
!5 mins is 1 fourth of an hour (60 divided by 4= 15)
45 mins is 3 fourths (3/4) of an hour
1 and 1/2 double is 3 (1/2 + 1/2 =1 +1= 3)
2007-02-04 04:58:06 · answer #2 · answered by Honey W 4 · 0⤊ 0⤋
one fourth of an hour = 1/4 * 60 mins = 15 minutes
three fourths = 3/4 * 60 minutes = 45 minutes
1 1/2 hours * 2 = 1.5 * 2 = 3 hours (doubled means you multiply by 2)
2007-02-04 04:54:44 · answer #3 · answered by Orclev 2 · 0⤊ 0⤋
one fourth of an hour is 60minutes / 4 = 15 minutes
three fourths of an hour is 15 * 3 = 45 minutes
1 and 1/2 = 3/2, doubled is 6/2 = 3
2007-02-04 04:54:46 · answer #4 · answered by Anonymous · 0⤊ 0⤋
1/4*60= 60/4=15 minutes.
3/4*60=180/4=45minutes
i would say he took 3 hours to complete the task( 1 1/2 hrs=1hr30minutes.) 2x that would be (2hrs +2(30 minutes=1hour) 3hrs.
2007-02-04 04:55:46 · answer #5 · answered by mysticshabs 3 · 0⤊ 0⤋
1 1/2 = 3/2
3/2 x 2 = 6/2 = 3
If they want time it took total, you would add the original 1 1/2 to 3.
2007-02-04 04:56:40 · answer #6 · answered by Anonymous · 0⤊ 0⤋
twice of 1&1/2 h is 3h
1/4of 1h is 15min
so 3/4 of 1h is 45min
2007-02-04 04:58:41 · answer #7 · answered by Varun 1 · 0⤊ 0⤋