Ron’s class donated d dollars to a local charity.
=> Let's use d as an expression of the donation of Ron's class.
Danny’s class donated 21% more than ron’s class.
Let's show this into expression
Expression:
=> 21% / 100% = 0.21
Danny's Class donation=> d + d(.21), where d is the amount of the donation of Ron's class and 0.21 is the 21% of Danny's class
Answer:
4
Step-by-step explanation:
36/9=4
there are 4 nines in 36
For this problem you need to multiply a and b.
set them up like this
(2x+3)(x^2+4x) and then FOIL
Your final answer should be : 2x^3+11x^2+12x
2 m - polyester fabric: 4, cotton fabric: 14
6 m - polyester fabric: 12, cotton fabric: 42
8 m - polyester fabric: 16, cotton fabric: 56
9 m - polyester fabric: 18, cotton fabric: 63
check:
2 m: 4/14=2/7
6 m: 12/42=2/7
8 m: 16/56=2/7
9 m: 18/63 = 2/7
