Can someone please help me with these last 3 questions?
Offering 30 points (10 per question)
1 answer:
10. 4:5....added = 9
4/9 (1800) = 7200/9 = 800 (red)
5/9 (1800) = 9000/9 = 1000 (green)
there were (1000 - 800) = 200 less red ones then green ones.
11. 7/4 = 21/r
cross multiply
(7)(r) = (4)(21)
7r = 84
r = 84/7
r = 12....Rod has 12 stickers
12. 14/4 = 3.5 eggs per cup
for 16 cups...16 * 3.5 = 56 eggs
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Step-by-step explanation:
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Answer:4000
Step-by-step explanation: becuase each would get 3000 and he got 1000 so 3000+1000=4000
Answer:
option D
x squared-3
5m-n
Just replace m with 4 and n with 9
5(4)-9=20-9=11
Answer:
x = 8
Step-by-step explanation:
3(x-4) = 12
3x - 12 = 12
+ 12 + 12
3x = 24
/ 3 / 3
x = 8
