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ballerthesavage3287
23.01.2020 •
Mathematics
Jamie bought a load of gravel to cover her driveway. her brother works for the gravel company and got her a 28% discount. if jamie paid $357.83 for the gravel (without tax), what would it have cost her without the discount?
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Ответ:
.72 because 100%-28%=72%
Solve
357.83/.72=x
496.986=x
Round up
x=$496.99
Ответ:
without the discount, it would have cost her $497
Step-by-step explanation:
Let x represent the amount that the gravel would have cost her without the discount.
Her brother works for the gravel company and got her a 28% discount. The value of the discount would be
28/100 × x = 0.28 × x = 0.28x
It mans that the amount that she paid for the gravel is
x - 0.28x = 0.72x
If Jamie paid $357.83 for the gravel (without tax), it means that
0.72x = 357.83
x = 357.83/0.72
x = 496.99
Approximately $497
Ответ:
(-3,0) (0,-1.2)
Step-by-step explanation: