If a salesman had 3 dimes to make a $3.05 phone calls , how many quarters would he needs to add to the dimes to make the call us
1 answer:
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2(y−4)=4
(2)(y)+(2)(−4)=4
2y+−8=4
2y−8=4
2y−8+8=4+8
2y=12
y=6 is correct answer.
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