Marissa got an 85% on her math quiz. If she got 34 questions right, how many questions were on the test?
2 answers:
To solve this problem we need to determine if 85% is 34, then what is 100%
The easiest way to do this is to set up a proportion
Being
To figure out the "rule" between 85 and 100, we divide 100 by 85.
100/85 = 20/17
To check our rule we can do 85 x 20/17 which = 100
Now to solve the problem so, 34 x 20/17 = 40
Our answer would be 40 :)
If Marissa got an 85% on her math quiz and she got 34 questions right, there would be a total of 40 questions on the test.
I hope this helps!
The easiest way to do this is to set up a proportion
Being
To figure out the "rule" between 85 and 100, we divide 100 by 85.
100/85 = 20/17
To check our rule we can do 85 x 20/17 which = 100
Now to solve the problem so, 34 x 20/17 = 40
Our answer would be 40 :)
If Marissa got an 85% on her math quiz and she got 34 questions right, there would be a total of 40 questions on the test.
I hope this helps!
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Options:
a. Nikki's proposed placement will light a greater area than Dylan's placement.
b. Dylan's proposed placement will light a greater area than Nikki's placement.
c. Both proposed placements will light the same sized area.
d. Nikki's proposed placement will light more than half the yard.
e. Dylan's proposed placement will light more than half the yard.
f. Dylan's proposed placement will light exactly half of the yard.
g. Nikki's proposed placement will light less than half of the yard.
Answer:
C) Both proposed placements will light the same sized area.
F) Dylan's proposed placement will light exactly half of the yard.
Step-by-step explanation:
The area of a triangle is (base x height) / 2, and both lights illuminate the same base and height = (60 x 38) / 2 = 1,140 sq ft
Both Dylan's and Nikki's proposed placement will lit exactly half of the yard. The yard's total area = 60 x 38 = 2,280 sq ft, which is twice the area lit by the lights.
