Answer:58
Step-by-step explanation:
20×4 then 2×7 then add both answers u get 58
what? um child.... anyways
Answer:
See explanation
Step-by-step explanation:
<u>Step 1.</u> Substitute for d to solve for n:
From the first equation:

Then substitute it into the second equation:

<u>Step 2:</u> Substitute for n to solve for d:

There are 40 dimes and 30 nikels in the piggy bank
Answer:
Positive
Step-by-step explanation:
Two positive integers multiplied will always be positive.