Some bumps weigh 15g, some weigh 30g and some weigh 40g. A full set of bumps has a total weight of 420g and contains a different number of each type. How many 30 g bumps are there in a full set of 15 bumps? the answer is 8.
Answer: -9 and 7
explanation:
-9+7=-2
-9x7=-63
Answer:
c
Step-by-step explanation:
just did it on a.pex
Answer:
first blank: -1
second blank: -7
third blank: -13
fourth blank: - 19
Step-by-step explanation:
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