Given :
Stephanie took a science exam that had two parts. Part 1: She got 16 questions correct, which was 4/5 of the number of part 1 questions. Part 2: She got 16 questions correct, which was 2/3 of the number of part 2 questions.
To Find :
The total number of questions on Stephanie's exam.
Solution :
Let, number of questions in Part 1 is x :

Let, number of questions in Part 2 is y :

Therefore, total number of questions on Stephanie's exam are 20 + 40 = 60.
Hence, this is the required solution.
Answer:
88
Step-by-step explanation:
PEMDAS
9*(6+7-3)-2
1) 6+7=13
13-3=10
9*10-2
2)9*10= 90
3)90-2= 88
Answer:
the answer is d 5
Step-by-step explanation:-6 +5= -1
Answer:
$431
Step-by-step explanation:
using the formula P(1+r/100)^n,
we can substitute the P with $300,
substitute the r with 7.5%,
and substitute the n with 5.
Answer:
Right, obtuse, and isosceles. (B, D, E)