Shen’s mother gave him $10 to go buy groceries. He picked up a gallon of milk for $3.49, three pounds of oranges that cost $1.14
per pound, and a box of cereal for $3.46. Shen used front-end estimation to determine whether he had enough money for the groceries. How much did he estimate the total cost would be? He estimated that he had about $7 worth of groceries.
He estimated that he had about $9 worth of groceries.
He estimated that he had about $10.30 worth of groceries.
He estimated that he had about $10.40 worth of groceries.
A. What three numbers could possibly be on his uniform. B. Probability of being a multiple of 10 and is two digits and has a 3 as a factor. C. Frank has a 30 on his uniform. The number is a multiple of 10 and one factor of the number is 3.
