Answer:
7
Step-by-step explanation:
7+2= 9
16-9=7
This is done by dividing 21 by 60. 21 divided by 60 = 0.35. Then you convert this number to a percentage which is 35%
PEMDAS
P - Parentheses (or other grouping symbols)
E - Exponents
M - Multiplication
D - Division
A - Addition
S - Subtraction
![8x[(7+4)x^2] - [(11-7)x^4]\\ \\ 8x[(11)x^2] - [(4)x^4] \\ \\ 8x[11x^2] - [4x^4] \\ \\ 88x^3 - 4x^4 \\ \\ -4x^4+88x^3](https://tex.z-dn.net/?f=8x%5B%287%2B4%29x%5E2%5D%20-%20%5B%2811-7%29x%5E4%5D%5C%5C%20%20%5C%5C%208x%5B%2811%29x%5E2%5D%20-%20%5B%284%29x%5E4%5D%20%5C%5C%20%20%5C%5C%208x%5B11x%5E2%5D%20-%20%5B4x%5E4%5D%20%5C%5C%20%20%5C%5C%2088x%5E3%20-%204x%5E4%20%5C%5C%20%20%5C%5C%20-4x%5E4%2B88x%5E3%20)
If you then want to go on to factor it, your answer would be
5,687.50 mg are in 1/2 a tsp
Answer:
70%
Step-by-step explanation:
(90-27)/90
=63/90
=0.7
Changing it to percentage:
=70%