Lesson 4-4 Example 4

1
Lesson 4-4 Example 4
4-4
Solve. MUSIC Malik saw a guitar in a music store
for 463. He told Erik that the price was 13
more than three times what he already had saved.
How much money had Malik saved?
Understand Read the problem. Write what you know.
The guitar cost 463. The cost of the guitar is
13 more than 3 times what Malik had saved.
2
Lesson 4-4 Example 4
4-4
Plan Pick a strategy. One strategy to use is to
write an equation. Then solve the equation.
Let s money Malik saved.
3
Lesson 4-4 Example 4
4-4
Solve Solve the equation. Find the value for s.
13 3s 463 Undo the addition. 13 13
3s 450
Undo the multiplication.
3
3
s 150
Malik has saved 150.
4
Lesson 4-4 Example 4
4-4
Check Substitute for s to check.
13 3 (150) 463 13 450 463 463 463 ?