N=number of nickles
d=number of dimes
n is 2 times d
n=2d
total money is 1.20
convert to cens
120 cetns
5n+10d=120
n=2d
5(2d)+10d=120
10d+10d=120
20d=120
divide both sides by 120
d=6
6 dimes is answer
answer is A, 6 dimes
Answer:
CODEINE
Step-by-step explanation:
Angle PQR=90 degrees.
cos 52=PQ/14.72
PQ=14.72 x (cos 52)
PQ= 9 cm to the nearest cm