Question

A shade of green paint is made by mixing blue paint and yellow paint in the ratio of 4 to 3. How many pints of blue paint and yellow paint are needed to make 21 pints of the green paint?



A.
9 pints of blue paint and 12 pints of yellow paint
B.
12 pints of blue paint and 9 pints of yellow paint
C.
16 pints of blue paint and 9 pints of yellow paint
D.
12 pints of blue paint and 3 pints of yellow paint

Answer 1

Blue:Yellow = 4:3, total parts = 7. Each part = 21/7 = 3 pints.
Blue = 4×3 = 12 pints, Yellow = 3×3 = 9 pints.

Answer: B.