Mark is 4 year older than 2 times his sister Helena's Age. Let h represent Helena's age and m represent Mark's age. Write an equation to represent Mark's age.
Glenn is 6 years younger than 3 times his brother John's age. Let g represent Glenn's age and let j represent John's age. Write an equation to represent Glenn's age.
Strawberries sell for $3.35 per pound and bananas sell for $0.80 per pound. Mrs. Mac bought some strawberries and some bananas to make smoothies for her friends. Mrs. Mac spent a total of $11.75. Write an equation to represent this situation.