3x+5y=42
9x+7y=78
adding above equation
12x+12y=120
x+y=10
Answer:
It would be c and d,
Step-by-step explanation:
Answer:
2.25×3
Step-by-step explanation:
2 1/4 is equal to 2.25. So a expression could be 2.25×3.
Answer:
$30
Step-by-step explanation:
She paid $24.72 for the 2 packages of chicken because $12.36×2=$24.72.
She paid $0.99 for the broccoli because $1.98×1/2=$0.99.
She paid $3.49 for the milk because one gallon of milk costs $3.49.
$24.72+$0.99+$3.49=$29.20.
$29.20+$0.80=$30.00.
She used $30.00 to pay for the items.
Answer:
y intercept is 10
Step-by-step explanation: