How to solve a system of equations by substitution?

Regular rides cost 3 tickets and children's rides cost 1 ticket. Find three solutions of 3x + y = 12 to find the number of regular rides x and children's rides y a family can go on with 12 tickets. Explain each solution.

1,300 is eight percent of what number?

What do you notice about the frequency of the sine function: y=sin (x) and the frequency of the cosine function: y=cos (x) ?] a. they have the same value c. the value is the same as the amplitude b. they have a zero value d.

How many votes were cast

A small company's net income for the first 6 months of the year was $76500 and for the last six months it was $100000. What is the ratio of the first 6 months of the year to the last six months of the year in simplest form?

2x+3y=23 3x-y=7 Solve for x

Debbie ate 1/8 of a large brownie. Julian ate 1/2 of a small brownie. Julian says, "I ate more brownies than you because 1/2>1/8

Write a verbal expression for 3m-8n/13

Brian read 2/15 of his novel in 20 minutes. If he reads at the same rate, what portion of his novel can he read in one hour?

7,279.21 the 2 in the hundredth place is blank the value of the 2 in the tenth place