Addition
Subtraction
Multiplication
Division
Word Problems
100

3.5 + 8.9

12.4

100

5-(-3)

2

100

-8 x 7

-56

100

18/7

2.57

100
Heavyn added -7 + 5 I got the answer of 3 if she's wrong explain how she's incorrect and if she's right explain how.

-2

200

-7+(-9)

-16

200

-7-(-34)

27

200

-12 x -9

108

200

-17/5

-3.4

200

Rainbow Rachel had $56 in her bank account if she widthdrawed $89 how much money is in her account now? 

$-33

300

-9+(11)

2

300

-3.4-(-8.3)

4.9

300

15 x -14.67

-220.05

300

5/92

0.061

300

A company is experiencing a steady decline in its stock value. The stock price decreases $37 each day, we represent this as a negative value (-37 ). This decease happens or 145 days. So, they multiply the daily decrease by the number of days. 

$-5365

$-37 x 145 days = $-5365

400

3/8+(-2/7)

5/56

400

-1-(-2.7)-6

-4.3

400

-8 x 3 x (-6)

144

400

8.59/-4

-2.14

400

A sea  submersible begins at the surface of the ocean which is 0 feet. It's steady rate goes down 150 feet per minute. A research drone is being lowered from a ship anchored at 500 feet below sea level. The drone is lowered at rate of 50 feet per minute. After 5 minutes will the submersile and the drone be at the same depth.

They meet at the same depth in 5 minutes 

Submersible: 0 -  ( 150ft/minute x 5 minutes) = -750ft

Drone: -500-(50ft/minute x 5 minutes ) =-750ft

500

-2/24+6

5 11/12

500

-4.9-5 2/310

10 17/30 or 10.56

500

-2 1/3 x -9/8

2 5/8 or 2.625

500

2 3/7 divide by -9                                                                       

-17/63

500

A baker starts with 5 pounds of flour. He use 1/3 of the flour to make bread and then uses 1/2 of the remaining flour to make cookies. After making the cookies, he gives away 2/5 of what is left to a friend. What fraction of the original amount of flour does the baker have left at the end ? 

1/3

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