Answer:
There are 23 dimes in the box
Step-by-step explanation:
Let nickels=n
Let dimes=(35-n)
Equation: 0.05n+0.10(35-n)=2.90
Multiply both sides by 100: 5n+10(35-n)=290
-5n+350=290
-5n=-60
n=12
35-12=23
Therefore, there are 23 dimes in the box
Answer:
um wow that is realy hard
Step-by-step explanation:
Answer:she will have 60 dollars left because 5 times 4 is 20 and if she sold them for 3 dollars you just do 20 times 3 and you should get 60
Step-by-step explanation:
Answer:
B.
Step-by-step explanation:
total chips = 6
chips not including yellow= 4
simplify 4/6 = 2/3
Answer: R=8
Step-by-step explanation: R-7=1, R+7=1+7, R=8.