A teacher orders 20 copies of a new graphic novel for his class to read. Each of the books weighs the same amount. The total wei
1 answer:
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Answer:
a) x = 3
b) x = 10
c) x = 28
Explanation:
a)
collect term
simplify
divide both both sides by 6
b)
distribute
collect terms
combine
divide both sides by 15
c)
collect like terms
combine
cross multiply
simplify