30x-15y
Multiply both the numbers inside the parentheses by 5 and remove the parentheses and the 5
Answer:
Step-by-step explanation:
Divide both sides by the square root of 2. If you are looking for an exact answer that is rationalized, it would be found by multiplying 6/sqrt(2) * sqrt(2)/sqrt(2) to get

Answer:
120
Step-by-step explanation:
Let g = number of girls.
(2/3)g is 2/3 the number of girls
(2/3)g + 35 is 35 more than 2/3 the number of girls. This is the number of boys.
(2/3)g + 35 = 115
(2/3)g = 80
(3/2)(2/3)g = 80(3/2)
g = 120
Answer:
board that is 4 1/2 feet long weighs 7 1/5 pounds. How much would ...
5 days ago — A board that is 4 1/2 feet long weighs 7 1/5 pounds. How much would one foot of the board. weigh? Write your answer as a mixed number,.
Step-by-step explanation:
board that is 4 1/2 feet long weighs 7 1/5 pounds. How much would ...
5 days ago — A board that is 4 1/2 feet long weighs 7 1/5 pounds. How much would one foot of the board. weigh? Write your answer as a mixed number,.