Answer:
Nickel = 12
Quarters = 26
Step-by-step explanation:
Given
<em>Represent Nickel with N and Quarters with Q</em>
--- <em>It's 14 more quarters; not 143</em>
Required
Determine the quantity of each coin
First, we have to know that:
-- (1) ---- By converting N and Q to dollars;
Substitute 14 + N for Q in (1)
Open Brackets
Collect Like Terms
Divide through by 0.3
Recall that:
48+6(x+1)=180°, because they are supplementary. you would then simply solve the equation for x
48+6(x+1)=180
6(x+1)=132
x+1=22
x=21
Answer:
none of them
Step-by-step explanation:
they all have x-values that lead to two different y-values.
