
Don L. answered 09/09/15
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Don - Math/Science Tutor from Elementary School to College level
3 times the sum of a and b is at most 10
"sum of a and b" means a+b
"is at most" means less than or equal to ≤ (this means that the left side cannot exceed the right side)
3(a+b) ≤ 10
3a +3b ≤ 10