# algebra

posted by
**Carmen**
.

you are taking a science course in which there will be four tests, each worth 100 points. you have scores of 89, 97, and 95 on the first 3 teests. you must make a total of 360 in order to make an A. what scores on the last test will give you an A?

A: solution is {s|s > or = to 79}