Answer:
There are 91 dimes in the jar.
Step-by-step explanation:
5n+10d= 1455
n+d = 200
n=200-d
5(200-d) + 10d=1455
1000-5d+10d=1455
1000+5d=1455
5d=455
d=91
91 dimes
Answer:
That would be the 3rd explanation, the plane has 4 points.
Step-by-step explanation:
Well u would do 64 divided by 4, because there are 4 times as many new bikes as used ones.
the answer is 16 used bikes
4/5x-8=3
move -8 to the other side and add
4/5x=3+8
4/5x=11
move 5x to the other side and multiply
4=5x*11
4=55x
4/55=x