bob7220
01.04.2020 •
Mathematics
Ryan uses the expression 15x + 50 to represent how much he will earn in a month. Kim uses the
expression 20(x - 2) to represent how much she will earn in a month. In both expressions x represents the
number of hours worked. How much more does Kim earn in a month than Ryan?
A.5x - 90
B.5x-10
C.35x + 10
D. 35x - 90
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Ответ:
2x+18+5x-9
2x+5x18-9
7x+9
7. 7
x= 1.4
hope it helps