Ateacher had 21 red pans. if the ratio of red pens to blue pens she owned was was 3: 1 ,how many pens did she have total?

The lee family bought their home for $220,000 this year. the equation =220,000(1.038) v = 220 , 000 ( 1 . 038 ) x can be used to find the value, v, of their home after x years. which will be the value of the lee family's home in 5 years?

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.