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adell [148]
3 years ago
10

The sum of a number b and 7.5 is 4.8

Mathematics
1 answer:
andre [41]3 years ago
8 0
B + 7.5 = 4.8
     -7.5   -7.5
-----------------------
         b  =   -2.7

Hope this helps!!!!!




You can also check your answer by doing replacing the number with the variable ( don't just write the anwser just because you know it, since its pre algebra you have to do it algebraically like above)

-2.7 + 7.5 = 4.8

Hope it helps!





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In the given question, we come to know that Sammy sold 5 bottles for every 3 water bottles sold by David. In this case we get the ratio as 5:3
Now this ratio indicates that the total number of bottles can be divided into 8 parts for finding out a single part. the total number of water bottles that are sold by Sammy and David together are 160.
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The,
Number of Bottles sold by Sammy = 5 * 20
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<span>20.52 m2 is the answer im pretty sure hope it helps

</span>
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Read 2 more answers
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