susan has a collection of 98 nickels and dimes. if the numbers of nickels is six time the number of dimes how many nickels and d
imes does she have?
1 answer:
Step-by-step explanation:
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Answer:
6
Step-by-step explanation:
(10+2x)(8+2x) = 120
4x^2 + 36x + 80 = 120
x^2 + 9x + 20 = 30
x^2 + 9x - 10 = 0
(x+10)(x-1) = 0
x = 1 inch dimension
Question a is = 1/9 one over nine
b= 4 over nine I think
Answer c is the answer to this question
247.62 x 0.15 = 37.143
round to $37.14
I hope that helped :)