Answer:
Prime number
Step-by-step explanation:
If you want detailed working then I am not the right person. c:
Answer:
On the photo it shows all the steps you need. Next time you should make the multiplying symbol to this * instead it'll be easier to understand because if it was a or a multiply symbol
Answer:
a) 2/5
b) 1/3
c) 3/10
Step-by-step explanation:
a)12;30
= 12/30
= 2/5
b)9;27
= 9/27
= 1/3
c) 15;50
= 15/50
= 3/10
Answer:
$420
Step-by-step explanation:
Given that the students save$20 every week this can be written as;
1 week= $20 saved
For 21 weeks, you perform multiplication
1w=$20
21weeks=?------------perform cross multiplication
21*20=$420