“z varies jointly as x and y”
2 answers:
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To find out how much money sarah takes per month we divided her total income by 12.
Therefore, Sarah takes home $2750 per month.
To find out Sarah monthly for her home we multiply his total salary per month by .20:
Therefore, he pays $550 for her gome.
The total amount he pays of debt is $505.
The monthly take home pay is greater than the total amount she pays per month.