Step-by-step explanation:
Wai 1unit+45
Cheryl 1unit
Zheng 4units+180
Altogether 6units+225=510
6units = 510-225
6units=285
1unit=285÷6
= $47.5
So Wai =47.5+45 = 92.5
Cheryl =47.5
Zheng =4×47.5+180 =370
370-47.5=$322.5
Answer $322.5
Answer:
In a simplified version it can be expressed as 3/4.
Hope that helped. x
Step-by-step explanation:
21 divided by 7 is 3
28 divided by 7 is 4.
15% - 40. -25 = 1500 percent take out the zero because they have zero value and your left with 15 which is 15%
Answer:
2x
Step-by-step explanation:
Given

=
× 
= 2 × 
= 2x
This would mean that she has been in school for about 1,000 days. Thus, we need to figure out the amount of days she would have went to school within the week. This would normally be 5 days within the 7.
5/100 x 1000 is 714.28
When rounded to the nearest ten, it would end up at 710.