3/10 gray and 51/100 black. the rest are pink or yellow. there are more pink than yellow marbles. what fraction represents the number of pink and yellow marbles.

Abigail wants to make 60% more pancakes than the recipe usually prepares. If the recipe calls for 1/2 cup of flour, how much will she need to use?

How much water must be evaporated from 32 ounces of a 7% salt solution to make a 8% salt solution. Answer in ounces.

Two angles are comlementary. the first angle measures x and the second angle measures 3x-10. find x?

Find the sum of 4.5 x 10^-1 and the quotient of 7 x 10^-4 and 8 x 10^-3

Jill traveled to the ferry office and back. the trip there took 5 hours and the trip back took 4 hours. she averaged 65 mph on the return trip. find the average speed of the trip there

What is π/6? I don't know. No calculators!

An airplane leaves the airport at 2 pm and travels 650 mph to its destination. A second plane leaves at 6 pm and travels 800 mph. How long before the second plane reaches the same distance as the first plane?

700,000 is 10 times as much as what number

What is the product of 306 and 15?

If a dog is an amphibian than the season is summer? True or False