A local shop must charge sales tax on
each item. A $5 item costs $5.30 with
tax. A $6 item costs $6.36 with tax. How
much does a $20 item cost with tax?

$21.20

Step-by-step explanation:

First, we have to figure out what the tax is.

5 has to be multiplied by an unknown number(tax) to get 5.30

5x=5.30

Divide by 5 on both sides

x=1.06

So the tax is 6%

Multiply 20 by 1.06

20*1.06=21.2

So a 20 dollar item with tax costs $21.20

Hope this helped!

answer

see attachment

explanation

the given function is

this function has y-intercept at

-4 and a slope of 2.

note that, the graph has a positive slope.

the graph that represents this function is the straight line that moves upward from left to right.

the graph touches the y-axis at -4.

the correct choice is the graph shown in the attachment.

answer: the first graph

step-by-step explanation: