Ratio 1:3 can be written as 1/3
sale price / original price : 1/3 = x / 81
this is a proportion, so we cross multiply
(3)(x) = (1)(81)
3x = 81
x = 81/3
x = 27 <== sale price
and notice that 1/3 = 27/81...these are equivalent fractions because that is what proportions are, equivalent fractions
Answer:15
Step-by-step explanation:
X = 19. 19-4 = 15
Answer:
288
Step-by-step explanation:
multiply 36 by 8 to find the number of records sold on Wednesday
Answer:
What are you trying to find?
Also here is something try
3x+1
Have fun with that one heehee
<em>collatz conjecture</em>
Step-by-step explanation: