Question

a gray crayon is made with 5 ml of black wax for every 6 ml of white wax. which of the following wax mixtures will create the same shade of gray? choose 2 answers: a 10 ml of black wax mixed with 24 ml of white wax b 15 ml of black wax mixed with 18 ml of white wax c 35 ml of black wax mixed with 42 ml of white wax d 20 ml of black wax mixed with 26 ml of white wax e 45 ml of black wax mixed with 48 ml of white wax

Explanation:

Step1: Find the ratio of black - to - white wax in the original mixture

The original ratio of black wax to white wax is $\frac{5}{6}$.

Step2: Check the ratios of each option

Option A

The ratio of black wax to white wax is $\frac{10}{24}=\frac{5}{12}
eq\frac{5}{6}$.

Option B

The ratio of black wax to white wax is $\frac{15}{18}=\frac{5}{6}$.

Option C

The ratio of black wax to white wax is $\frac{35}{42}=\frac{5}{6}$.

Option D

The ratio of black wax to white wax is $\frac{20}{26}=\frac{10}{13}
eq\frac{5}{6}$.

Option E

The ratio of black wax to white wax is $\frac{45}{48}=\frac{15}{16}
eq\frac{5}{6}$.

Answer:

B. 15 mL of black wax mixed with 18 mL of white wax
C. 35 mL of black wax mixed with 42 mL of white wax