Kyle painted 2/5 of his door red and 1/2 blue. how much of the door did kyle paint blue?

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.