Ernise evaluated the expression 10 (3 + 5) like this:

Step 1: 10.3 + 10.5

Step 2: 30 + 50

Step 3: 80

Which mathematical property was she using?

On Saturday, Derek picked pears from 32 trees. He picked an average of 17 pears per tree. On Sunday he picked some more pears, averaging 12 pears per tree. Over the whole weekend he picked an average of 14 pears per tree.

The next number in the series 13, 18, 16, 21, 19,

18x^=12+15x How to solve

The radius of a circular track is 0.2 mile. Ellie ran around 3 times. How many kilometers did she run

Simplify the expression 6x-4 (x-3) - x

How many different ways can you find of writing 1/2

I DON'T GET IT! >.< Which number can each term of the equation be multiplied by to eliminate the decimals before solving? 5.6j - 0.12 = 4 + 1.1j a. 0.01 b. 0.1 c. 10 d. 100

Solve this number riddle I am an a odd number. I am less than 100. The sum of digits is 12. I am a multiple of 15. What number am I?

Is this an expression or an equation? Three times a number plus five equals twenty

14.36 rounded to the nearest tenth