40$ - 100% (full price)
x$ - 70% (100-30=70%)
40 * 70 = 100x
2800 = 100x
x = 28
Answer 28$
or
40$ = 100%
then 1% = 40/100 = 0.4$
so 70% will be 0.4 * 70 = 28$
Answer:
x=4y-284
Step-by-step explanation:
Hope this helped!!!
Answer:
C, 180 miles/ 3 hours
Step-by-step explanation:
C is the correct answer because you need to find the unit rate of all of the numbers.
A. = 30 mph
B. = 45 mph
C. = 60 mph
D. = 40 mph
Therefore, C is the fastest.
-3+(-2)= -5
-5+ 3i + 3i =
-5 + 6i
Divides each by common factor
6/15
when divided by 5.
now divide by 3.
2/5