Answer:
12 3/4 hours
Step-by-step explanation:
Jack spends 1 1/2 times as long on his homework as Jill .
Jill spends 8 1/2 in doing his home work .
Time spent by jack in doing his homework is jacks time multiplied by Jill’s
That’s
1 1/2 x 8 1/2
Change to improper fractions.
We have,
3/2 x 17/2
Multiply through
51/4 = 12 3/4
Jack spends 12 3/4 hours in doing his homework
Answer:
9y + 5x
Step-by-step explanation:
Combine like terms. Like terms are terms with the same amount of variables. Reorder the terms:
5y + 2y + 2y + 6x - x
Combine like terms:
(5y + 2y + 2y) + (6x - x)
(9y) + (5x)
9y + 5x is your answer.
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