Question

Roger is saving money from the

Answer 1

Based on the amount both have and the amount being saved per day, they will both have the same amount after 2 days.

Roger has $3 and is saving $1 per day. An equation to express the amount he would have after a n number of days is:

= Amount he already has + Amount saved per day x number of days

= 3 + 1n

For Elizabeth, this expression would be:

= 4 + 0.50n

Solve for n by equating both formulas:

3 + n = 4 + 0.5n

n - 0.5n = 4 - 3

0.5n = 1

n = 1/0.5

n = 2 days

In conclusion, they will have the same amount after 2 days.

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