how many gallons of 20% antifreeze solution should be mixed with 16 gallons of 10% antifreeze solution to obtain a[..]

Colin's time in the 400-meter run was 62 seconds. Alvin was at least 4 seconds ahead of Colin. Write an inquality[..]

Two angles that are supplementary differ by 58 degrees. Find the smaller of the two.

Paquet wants to start a new company that makes hub caps and needs to borrow a total of $15,000. Part of the money is[..]

If one-half a number is subtracted from five-sixths of the number, the difference is 6. What is the number?

The sum of two numbers is 30. The first number is twice the second number. What are the numbers?

A nontoxic wood furniture polish can be made by mixing mineral (or olive) oil with vinegar. To make a 16-oz batch[..]

Following the order of operations correctly is key. the first step is the multiplication of 5 and 4 which is 20.[..]

the function D(x) models the cumulative number of deaths from a disease x years after 1984 estimate the year when[..]

the current I in an electrical conductor varies inversely as the resistance R of the conductor. the current is 7[..]