Susanna can work 10 math problems in 15 minutes. How many can she work in an hour and a half?
2 answers:
Well this one is easy!90 = 1 hour and 30 minutes! < 60 math problems.
She can work 60 in an hour and a half. We find this by figuring out how many minutes are in an hour and a half (there are 90 minutes), dividing that number by 15 (which equals 6), and multiplying that number by 10 (which equals 60). 60 problems is the answer.
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2:14 3:21 etc. all you have to do is for every 1 you add to the front number add 7 more to the second number
1/6=16.666666...
19 percent.
Answer:
12°
Step-by-step explanation:
a right triangle implies there is an angle that is 90°
another angle is 78°
the third angle is 180 - (90 + 78) = 180 - 168 = 12°
We have
1/2 liter apple juice ---- 1/3 of her glass
1-liter apple juice --- x
x is the number of glass filled with 1 liter
we can obtain equivalent fractions like
the answers are 2/3 and 4/6
