Answer:
Catron's error is
"She did not follow order of operations"
Step-by-step explanation:
Catron evaluates the expression (negative 9) (2 and two-fifths)
That expression can be written as below
Catron's error is
"She did not follow order of operations"
The corrected steps are
Step1: Given expression is
Step2: Convert mixed fraction into improper fraction
Step3: Multiplying the terms
Therefore solution
1/2 = 0.5...to turn to a percent, multiply by 100.
0.5 x 100 = 50%
15x+40=115
15x means 15 per week solve for x if you want to know how many weeks 40 is what he has only once
No. 6r is 6 multiplied by r so in order to get r, you will need to divide both sides by 6 in the first equation so r should =12
Given:
ratio of stickers to erasers: 3 to 8
She has 12 stickers.
3:8 = 12:x
3x = 8*12
3x = 96
x = 96/3
x = 32 erasers.
Mrs. Robbins has 32 erasers.
