Imagine that you have a paycheck of $50 this week. if i tell you that i will increase your paycheck by 20% one from week from now and then 20% again two weeks from now what will be your new paychecks two weeks from now?

One week from now, the amount will be ...

... $50 + 0.20×$50 = $50 + 10 = $60

Two weeks from now, the amount will be ...

... $60 + 0.20×$60 = $60 + 12 = $72

The first expression can be factored to be $50 × (1 + 0.20) = $50×1.2.

The second expression can be factored the same way to be $60×1.2, or ...

... ($50×1.2)×1.2 = $50×1.2²

... = $50×1.44 = $72

idk

step-by-step explanation:

5=812a+9+3

step 1: simplify both sides of the equation.

5=812a+9+3

5=(812a)+(9+3)(combine like terms)

5=812a+12

5=812a+12

step 2: flip the equation.

812a+12=5

step 3: subtract 12 from both sides.

812a+12−12=5−12

812a=−7

step 4: divide both sides by 812.

812a /812 = -7/812

a= -1/116

so the answer is

a=   -1/116