Answer:
the answer of your question

There is usually calculator that will solve it for you look for them just plug the question in and it can show the steps too
Answer:
A.) 10 years old
Step-by-step explanation:
Sam: John - 14
S = J - 14
S x J = 240
10 = J - 14
0 = J - 14 - 10
-J = -24
J = 24
10 x 24 = 240
Answer: 12b
Step-by-step explanation: you multiply 4 by 3 but keep the b