Colin and Dan are marking exam papers. Each set takes Colin 20 minutes and Dan 1 hour. Express the times Colin and Dan take as a ratio.

Give your answer in its simplest form.

The gym offers a discount when more than one member of the family joins. The first member (n=0) pays $550 per year. The second member to join (n=1) gets a discount of $75 per year. The third member (n=2) gets an additional $75 discount.

If he divides his land into square fields that are 1/4 mile long and 1/4 mile wide how many fields will he have?

Mr. Kole has 30 students in his class. He has twice as many girls as boys. What is the ratio of boys to total students?

Solve 34*17 using an area model

A set of bleachers 20 feet long rises from the ground at an angle of 33°. what is the length of the bleachers along the ground? round to the nearest tenth.

One hundred is multiplied by a number between 0 and 1. the answer has to be?

What is 4/12 equal to

At a restaurant, the bill comes to $30. If you decide to leave a 14% tip, how much is the tip?

If f (x) = 4x+6 and g (x) = 4x + 6, find (fog) (-8).

Solve for d. 4d - 4 = 5d - 8