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martha went to store $75.00 she bought 3 pairs of socks for $4.00 each she bought 4 cases of water for $4.00 each.she also bought a skirt for $21.00.how much money did she have left?Write as equation with parentheses and brackets

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Solution

For this case the inital amount was $75.00

We can find the individual costs like this:

C1= 4$ * 3= 12.00

C2= 4$* 4= 16.00

C3 = 21.00$

Then total cost= 12+16+21= 49$

Then the amount of money left is:

75.00 -49.00 $= 26.00$