Algebra
with 5 gallons of blue. How many gallons of red paint do you need to mix 40 gallons of this color? Answer:________ 3). (2 points)A red light flashes every 2 minutes and a blue light flashes every 3.5 minutes. Suppose both lights flash together at noon. What is the first time after 1 p.m. that both lights will flash together? Answer:________ 4). (2 points)Tom went to a store and spent one-third of his money. He went to a second store where he spent one-third of what remained. He had $12 left. How much money did he have to begin with when he went to the first store? Answer:________ 5). (2 points)Alice started a math club and recruited two new members the following week. The week after becoming a member, each new member recruits two new members. How many members are there at the end of five weeks? Answer:________ |