A number less ten (that represents subtraction) is 22
the answer is N-10=22
Answer:
x = 40
Step-by-step explanation:
3x + (x+20) = 180
9 cookies is 1/4 of the remaining cookies, therefore you can multiply by 4 to have 36 cookies, they gave away 1/3 before this, so you then multiply by 3/2 for 54 cookies
Set up a proportion

x is the estimated number of returned phones. cross multiply to find x
12 x 2000 = 24000
350 x X = 350x
24000=350x
Divide
x=68.57
B.) 68