Register
a test is worth 50 points.multiple choice questions are worth 1 point, and short answer questions are 3 points. If the test has 20 questions, how many multiple choise questions are there?
33.4k views
5 votes
a test is worth 50 points.multiple choice questions are worth 1 point, and short answer questions are 3 points. If the test has 20 questions, how many multiple choise questions are there?

User Glorifundel
by
8.1k points

2 Answers

3 votes
x = # of MC, y = # of SA

x + y = 20
x + 3y = 50

Solve the system of equations and you'll have y = 15, x = 5

So 5 MC questions
User Mattrick
by
7.6k points
3 votes
is there any options.
User Peshraw Hasan
by
7.9k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!