7/5 - 10/5 = -3/5
I hope this helps.
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.
Y doesn't vary directly with x
Answer:
Companies must strive to improve their products and services within the framework of healthy competition.
Step-by-step explanation:
The competition is a situation of companies that compete in a requested market or demanding the same product or service. This implies that companies must strive to improve the balance of normal earnings.
creating new products or new solutions of lower cost. In this sense, if companies can innovate, they can obtain economic gains in the short term, and increase their profits.
Answer:
Rate: 2:5
Unit Rate: 1:2.5
Step-by-step explanation:
Unit Rate is the rate in which x is x to 1. So, each inch of snowfall takes 2.5 hours.