Solve the system using substitution

{x-2y=0

{4x-3y=15

1. Edward goes to the store for back to school shopping. He buys 4 new shirts and a pair of jeans. The jeans were on sale for $20. The shirts all cost the same amount. He spent a total of $52. How much did a single shirt cost? w Solve it! Write It!

Which are the possible side lengths for a triangle? A. 3cm, 5cm, 9cm B. 4cm, 8cm, 10cm C. 6cm, 9cm, 17cm D. 8cm, 10cm, 18cm

Which of the following defines your payment history? A.) the percentage of your credit limit utilized B.) the number of late payments, amount of debt, and delay in repaying loans C.) the different types of credit, such as installment loans mortgages

Which one is greater 7 tons or 13,996 pounds?

5 (x + 1) - 2x = 2 (3 + x)

Marks ratio is 3 tablespoons sugar to 2 tablespoons milk. Sharri is using 4 tablespoons of sugar to 3 tablespoons of milk. Eva is using 9 tablespoons of sugar to 6 tablespoons of milk. Which girl's ratio is equivalent to Mark's?

Aimees karate class lasts 1hr and 15min and is over at 5:00pm what time does aimees karate class start

Dan was 8 years old when his sister was born. Now the sum of their ages is 56. Write an equation to represent this problem. Let the sister's age be s.

If she has 5 dollars and she spends 5 dollars how much does she have

Sorry but my question was wrong. I misspelled a word. So am resubmitting my question How do I find the ratio of the first number to the second and simplify? 0.4 to 1.2