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.

In 63, in which place is the 3? ones tens

What is the domain of the function y = x2 + 5?

If there are 33 students in a classroom and the ratio from boys to girls is 3:8 how may boys are in the classroom?

How do you wright 72 ounces in 6 steaks as a unit rate

When you look at a speck of mold how many microbes are you most likely seeing

How many revolutions will a car wheel of 30in make as the car travels 1 mile? (1 mile = 5280ft) ?

74 divided by 2 but long division

Brianna was making a recipe that said the ingredients were for 6 people, but she needed to make it for 8 people. The recipe called for 2 2/3 cups of milk and 1/4 cup of oil. How many cups of these liquid ingredients did she need for 8 people?

Which ratio is not equivalent to 48/64? A. 2/3 B. 6.8 C. 12/16 D. 45/60

A scale drawing uses the scale 3 in = 20ft find the missing measure 57 in = ft