58.1k views
7 votes
Steven has $10. Each week he earns $2.

Show how much money he will have at the end of 10 weeks.
How many weeks will it take until he has $25?

User Cherylyn
by
8.4k points

2 Answers

6 votes

Answer:

$30 at the end of 10 weeks

7.5 weeks, or 8 (rounded)

Explanation:

10*2=20

10+20=30

10+2x=25

2x=25-10

2x=15

x=7.5

7.5 weeks, or 8 (rounded)

User EkoJR
by
8.6k points
12 votes

Answer:

(a) 2*10 = 20

10+20=30

(b) ceil((25-10)/2) = 8

User Cam Soper
by
7.2k points

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