Use mental math to solve the problem.

Mario sold his old skateboard for $45. If he buys a

new skateboard for double the price that he sold

his old one, how much did he pay for his new

skateboard?

What is 5 tenth of 2 tenth

7 divided by k = 119 what is k

The figure below is a trapezoid. witch statement is true?

In order to join a yoga class you pay a $100 annual fee then $5 for each class you go to. What is the average cost per class if you go to 20 classes

A school math team consists of 3 juniors and 5 seniors. how man different groups can be formed that consist of one junior and 2 seniors

11x + 3 = 3 is it A.) addition B.) subtraction C.) multiplication D.) division

The square of a positive number increased by twice the number equals three. Find the number

How many times does 21 go into 180

Brock is training for a Crossfit competition. He began the training completing pull-ups and box jumps origanally, his training plan had him completing and box jumps at a ratio of 5:4 After two months of his training, he decided to focus on his leg

sweaters and hoodies are on sale for the same price at old navy. you buy 4 sweaters and 2 hoodies. you also buy a pair of joggers that costs $16. The total bill is $82. How much does each sweater and hoodie cost?