Please help i will give you brainlist Elena and Jada each make money by helping out their neighbors.

Elena babysits. Her earnings are given by the equation y=8.40x, where x represents how many hours she works and y represents how much money she earns.

Jada earns $7 per hour mowing her neighbors’ lawns.

A. Who makes more money after working 12 hours? How much more do they make? Explain how you know.

B. What is the rate of change for each situation and what does it mean?

C. How long would it take each person to earn $150? Explain or show your reasoning.

Answer for Part A:

Elena makes more money than Jada does. Elena makes $1.40 more than Jada does.

Explanation for Part A:

The equation for Elena tells us that she makes $8.40 per hour. Jada makes $7 an hour. Since 8.4 > 7, Elena makes more money than Jada per hour

a) justify

step-by-step explanation:

justifying is just part of everyday life. justify kind of means proof so i think the answer is a) justify.

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation: