Answer:
z = 10.
Step-by-step explanation:
1/ z = 4/5 / 8
1/z = 4/40
1/z = 1/10
z = 10 .
Answer:
75% off
Step-by-step explanation:
I would personally say use a calculator, but whatever your instructor says.
First, do $600 off. You could also do 75% off first, but you choose. If you subtract $600 from $868, you get $268.
Next, do 75% off. If you take 100% - 75%, you get 25%, or 1/4. Multiply $868 by 1/4 and you get $217, which is the better deal.
So, to conclude, $217 is less than $268, and therefore 75% off is the better deal.
Well, the first 1 is in the (hundred) millions place and the 1 towards the end is in the one's place
Just, put the numbers on a place value graph and the answer should come to you if you put them in the right order. If you don't have a place value grid then get a printable one off of the Internet
Answer: 
Step-by-step explanation:
Here x represents the time taken by Kiran in reading (in minutes) and y represents the time taken by Andrew in reading (in minutes).
According to the question,
Andre read for 5/8 more than kiran.
Thus, The time taken by Andrew(in minutes) = time taken by kiran + 5/8 of time taken by kiran
= 
= 
= 
= 
Thus, required equation,
Answer:
The number of units decreased by 
.
Step-by-step explanation:
Initially, 470 units were sold. The following 429 units were sold, meaning this was 
less units than last year. Thus, the number of units sold decreased and the percent of decrease is:
