SAT Math Practice Question #33853 - SATify | SATify
#33853
proportion
ratio
medium
75 sec
A certain alloy is made by mixing copper and zinc in a ratio of 7:3 by mass. If a manufacturer needs to produce 250 kilograms of this alloy, how many kilograms of copper are required?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.
