Which number has the same value as 28 tens

Select the lengths in centimeters that would form a right triangle

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?