Rhonda has $1.35 in nickels and dimes in her pocket. If she has six more dimes than nickels, which equation can be used to deter
mine x, the number of nickels she has?
A: 0.05+0.10(6x)=1.35
B: 0.05(x+6)+0.10x=1.35
C: 0.05x+0.10(x+6)=1.35
D: 0.15(x+6)=1.35
1 answer:
Answer:
Option C. 0.05x+0.10(x+6)=1.35
Step-by-step explanation:
Remember that
1 nickel=$0.05
1 dime=$0.10
Let
x-----> the number of nickels
y----> the number of dimes
we know that
0.05x+0.10y=1.35 -----> equation A
y=x+6 ----> equation B
substitute equation B in equation A and solve for x
0.05x+0.10(x+6)=1.35
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