Question

jonathan goes to th store and purchases 3 pencils for 0 .28 each, and x number of erasers for 0.38each write an expression that shows how much jonathan spent

Answer 1

Keywords

linear equation, variables

Step 1

Define the variables

Let

x-----> number of erasers

y-----> total cost

we know that

$y=3(0.28)+(0.38)x$

$y=0.84+(0.38)x$  ------> this is the linear equation that represent the situation

therefore

the answer is

$y=0.84+(0.38)x$