Answer:
Brainliest
Step-by-step explanation:
Answer:
7. 22 2/5 8. 10 8/10
Step-by-step explanation:
7. 7x3=21 + 7x1/5= 22 2/5
8. 2x5=10 + 2x4/10= 10 8/10
(2n +1) + (2n + 3) + (2n + 5) = 51
6n + 9 = 51
6n = 42
n = 7
numbers are 15 17 and 19
<u>Question</u> : 8

<u>Question</u> : 9
<u>Question</u> : 11
<u>Question</u> : 12
Solution is in attachment ~
I'm not quite sure, you should be able to divide the original number by 1