Question
Sara got 85% and 89% on her first two Maths tests. What must she get
on her third test to have at least a 90% test average.
Assume three tests, represent the problem with an inequality and
then solve it.
on her third test to have at least a 90% test average.
Assume three tests, represent the problem with an inequality and
then solve it.
Answers
Steve
Add up all the points. You need x where
85+89+x >= 3*90
85+89+x >= 3*90
Anonymous
96