The answer is B.
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Use the quadractic formula
Answer:
$20.00
Step-by-step explanation:
600 ÷ 30 = 20
Answer:
srry but i havent gone over this
Step-by-step explanation:
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