1. in class a , 17 students in a class of 25 passed an exam. In class B 13 out 20 passed. In class c, 7 out of 10 passed. Compare the percentage pass rate for each class.
2. Maya has saved $75. This is 30% of what she needs. Explain how you van work out how much she needs
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1.
in class A=17/25*100%
in class B=13/20*100℅
in class C=7/10*100%
2.
let what she needs be x
30/100*x=75
x=75*100/30
x=7500/30
x=750/3
x=150
in class A=17/25*100%
in class B=13/20*100℅
in class C=7/10*100%
2.
let what she needs be x
30/100*x=75
x=75*100/30
x=7500/30
x=750/3
x=150
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