300 pennies multiply 6×50=300
Answer.
5x+7y=50
Step-by-step explanation:
7y=5x-50
y=(5x-50)/7
Answer:
a/ (5r^2) = t
Step-by-step explanation:
a= 5r^2 t
Divide each side by 5r^2
a/ 5r^2 = 5r^2 t/5r^2 t
a/ 5r^2 = t
Answer: 5' 10"
Explanation: Borrow a foot from 8 to make it 7 feet and 16 inches. Subtract 6 from 16 to get 10 inches. Subtract 2 from 7 to get 5 feet. So the answer is 5' 10".