Answer:  The equations are  A= 600 + 125w   and A = 1100 + 50w.  Look into the steps for more information.
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Step-by-step explanation:
Zypel's situation can be represented by the equation,  A= 600 + 125w  where  A is the amount of money she will have after w weeks.
The same way we can represent Joshua's situation by the equation Â
A = 1100 + 50w     where a is also the amount of money he will save after w weeks.
It says that there are 4 weeks in one month which means there will be 16 weeks in 4 months.
Now input 16 into the equations for w and solve for A.
A = 600 + 125(16)
A= 600 + 2000
A = 2600 Â Â Â
So Zypel will save $2600 in a 4 months
A = 1100 + 50(16)
A= 1100 +800
A= 1900 Â
So Zypel will save more than Joshua in four months.