An alloy containing 30%gold is mixed with a 60% gold alloy to get 300 kilograms of alloy that is 50%gold . How many kilograms of each alloy were used?
how much of each was used?
how much of each was used?
How many liters of distilled water does the sudent need to add to the20% salt solution to obtain the 12% salt solution? A student wants to dilute.
please solve if x-5 when x=1
How many hours in total did ali work that week?
for both halls to cost the same