The answer should be b) division because you are dividing three from both sides to get x by itself
Answer:
5(x+1)
Step-by-step explanation:
Answer:
You can put this solution
$700*3=$2100
gain is 2100-700=1400 which is interest
remember I=PRT
1400=700*.10*T
2=.5 *T
T=20 yrs
check
A=P+Prt
2100=700 +700*.5*20=2100,,,ok