You earned 90% on a science quiz. You answered 27 questions correctly. How many questions were on the test?
1 answer:
Answer:
There were 30 questions on the test.
Step-by-step explanation:
1. Set up your equation: 27/90 = y/100
2. Next you want to cross multiply: 2700 = 90y or 270 = 9y
3. Divide 270 by 9 to find your y: y = 30
There were 30 questions on the test.
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Answer:
Commutative property
Step-by-step explanation:
This is an example of the commutative property as its states that it is applicable in multiplication and addition where 2 numbers can switch places and give the same result in both situations.
(4)(2) = 8
(2)(4) = 8
Answer:
x=0.333
Step-by-step explanation:
12(3x)=12
36x=12
/36 on both sides
x=0.333
The answer for this question is B because - -e/-f is the same as - -e/f
Answer:
124
Step-by-step explanation:
31 * 4 = 124
124 * 1/4 = 31
Where is the multiple choice answers ?
