87 24/25 as a decimal is 87.96
224 7/10 as a decimal is 224.7
686 49/50 as a decimal is 686.98
$3.99+$3.99=$7.98
$4.49+$4.49=$8.98
$7.98+$8.78+$4.99=$21.75
$50.00$21.75=$28.25.
You should receive $28.25 in change.
9) -2
10) 8
11) $3.17, y= 0.17x+3
Answer: y = 800
Step-by-step explanation:
3(y+200) = 3000
y+200 = 1000 (dividing 3 from both sides)
y = 800
