-8
On the number line you either start at -3 or -5 and you got your answer
The answer is in the attachment!!!
Answer:
170
Step-by-step explanation:
30 x 3 then do 10 x 8
90 + 80
Answer:
8 nickels and 9 dimes
Step-by-step explanation:
If all were dimes, the value would be $1.70. It is $0.40 less than that. Changing a dime for a nickel reduces the value by $0.05, so there must have been $0.40/$0.05 = 8 such changes.
There are 8 nickels and 9 dimes.
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<em>Check</em>
8 · 0.05 + 9 · 0.10 = 0.40 + 0.90 = 1.30 . . . the answer checks OK