05/22/20

Word problem that i need help with

One number is 77 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 721, find the numbers.

05/22/20

Value mixture problem

Two mechanics worked on a car. The first mechanic charged 75$ per hour, and the second mechanic charged 70$ per hour. The mechanics worked for a combined total of 20 hours, and together they... more

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