Liz had 140 pens and Inna had 100 pens. After Inna gave Liz some pens, Liz had 3 times as many pens as Inna. How many pens did Inna give Liz?

There are 45 calories in a candy bar. Alyssa ate 28 candy bars how many calories are there in 27 candy bars

B-4/6=b/2 solve for b

What is 280 as a fraction? Show your work.

What are the solutions of the quadratic equation x^2+11x=-24

Increase 120cm by 24%

What is 500/100 simplified

Jimmy and his family are on their way to visit some family friends who live 780 miles away from them. Based on the route they chose, they expect to complete their trip in three days.

What is $84 increased by 12%

Which term completes the product so that it is the difference of squares? (-5x-3) (-5x+ 09

9 - 3 : 1/3 + 1 = ? ...