You can use a simultaneous equation - x + 7y=24 minus x-9y= -24 you end up with 16y = 48
Divide 48 by 16 and you get 3 is equal to y. Now put three into an equation eg, x + 21 = 24 it is now obvious that x = 3 as well as y = 3
3. 8/12 and 9/12
5. 1,2,3,6,9,18
6.Friday
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Glad I could help, and good luck!
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Answer:2/7 You can solve it with a calculator too
Answer: Add more information
Step-by-step explanation:
Answer:
450
Step-by-step explanation:
Step 1:
18 × 25 = 450
Answer:
450
Hope This Helps :)