100-10=90
450=90% of original find 100%
divide by 9
50=10%
times 10
500=100%
origianl price=$500 (this is the hack way that only works with nice numbers)
A&C
B&F
Try it by fold the prism with paper
Answer:
Positive
Step-by-step explanation:
neg x neg = pos
neg x neg = pos
pos x pos x pos = pos
Answer:
if u substitute the givens in the eqn we will get..
then collect like terms
Answer:
27a + 24b
Step-by-step explanation:
Combine the like terms.
9a + 4a + 5a + 9a = 27a
17b + 6b + b = 24b
Remember, a number without a coefficent is 1.
Hope this helps! :)
