Rob is saveing to buy a new mp3 player for every 14 dollars he earns babysitting ,he saves 5 dollars on saturday rob earned 84 dollars babysitting how much money did he save .

Rob saved $30 to buy new Mp3 player.

Step-by-step explanation:

Given:

Rob is saving money to buy a new Mp3 player.

For every $14 earned he saved $5.

For 14 dollars earned = Money Saved $5

Total money earned in babysitting = $84  

We need to find Total money he saved.

Now 14 dollars earned = Money Saved $5

So 84 Dollars earned = Total Money saved

We will use Cross Multiplication method to find the Total Money saved.

Total Money Saved =

Hence Rob saved $30 to buy new Mp3 player.

7.3

step-by-step explanation:

5x + 5

step-by-step explanation:

you should always add the diagrams and graphs we cannot see. this particular question is kind of borderline because we can make a graph for you.

(f + g)x = -x^2 +3x + 5 + x^2 + 2x

(f + g)x = 5x + 5

the graph of z = 5x + 5 is shown below. always use desmos when in doubt.