The sum of two numbers is 526, and their difference is 176. find the two numbers

Step-by-step explanation:

We can write the information as equations. We will use variables x and y to find the two numbers

Equation 1: The sum of two numbers is 526

x + y = 526

Equation 2: The difference is 176

x - y = 176

With two variables and two equations, we can first find one variable by elimination:

(See image)

and then substitute y into either equation to find x:

(See image)

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000