The stack on the left is made up of 15 pennies, and the stack on the right is also made up of 15 pennies. If the volume of the s
tack of pennies on the left is 390 mm3, what is the volume of the stack of pennies on the right in cubic millimeters? (Clue: only enter numerals in the answer blank)
1 answer:
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Answer:
Step-by-step explanation:
Let's solve the second equation for a to later on replace it in the first equation.
Now plug this into the first equation.
Distribute the 9
Break down the fraction.
Simplify.
Subtract
Combine like terms.
Muliply by the reciprocal or inverted fraction next to b.
Now plug this value into any of the equations to find the value of a.