Step-by-step explanation:
Equations:
Quantity:: d = n + 3
Value::: 10n + 5d = 615 cents
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Modify::
d - n = 3
d + 2n = 123
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Subtract and solve for "n"::
3n = 120
n = 40 (# of nickels)
d = n+3 = 43 (# of dimes)
Answer:
a = -1,6 b = 1,11 c = 4,11 .
Answer: plant 1 grows at a faster rate
Step-by-step explanation:
There are no sharp objects around,same with bleach
