Gordan and Harry had 340 marble, altogether. After Gordan gave away 2/5 of his marbles and harry gave away 20 of his marbles, they had the same number of marbles left. How many marbles did Harry have in the end? Remember to draw the model

Ayden has a goal of finishing painting at least 80% of the 500 square meters of a houses walls by today. He actually finished painting 415 square meters today.

Why are percents used to compare ratios when the wholes are different

The adult admission price to the amusement park increased from $35 last year to $42 this year. what is the rate of inflation?

Find the volume of a cone if the slant height is 50 in and the diameter is 80 in

Your DVD membership costs $16 per month for 10 DVD rentals. Each additional DVD rental is $2. a. Write an equation in two variables that represents the monthly cost of your DVD rentals. b. Identify the independent and dependent variables. c.

A cab charges $0.10 per mile and a flat fee of $3.00 write an equation to model the price y of an x-mile long cab ride

How do you multiply fractions by improper fractions

Which mathematical property is demonstrated? 5 + 3w + 2 = 5 + 2 + 3w associative property of addition commutative property of multiplication associative property of multiplication commutative property of addition

Solve for a. 4a + 2a - a = 5

Bella made a drawing of her rectangular bedroom with the scale of 1 inch=3 feet. the drawing was 6 inches long by 4 inches wide. what are the dimensions of bella's room?