Which set is an example of like fractions? a. 2⁄1 and 2⁄3 b. 1⁄2 and 3⁄2 c. 7⁄4 and 4⁄7 d. 10⁄10 and 5⁄5

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.