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julia-pushkina [17]
3 years ago
7

Which expression has a value of 5?

Mathematics
1 answer:
Vlad1618 [11]3 years ago
7 0

Answer:

Step-by-step explanation:

Option 1

\frac{(30+3)5}{15}-7=\frac{33\times 5}{15}-7

                 =\frac{165}{15}-7

                 =11-7

                 = 4

Option 2

30+3\times 5-(15+20)=30+3\times 5-35

                                   = 30 + 15 - 35

                                   = 45 - 35

                                   = 10

Option 3

30+\frac{(3\times 5)-5}{8}=30+\frac{15-5}{8}

                    =30+\frac{10}{8}

                    =30+\frac{5}{4}

                    =30+\frac{4+1}{4}

                    =30+\frac{4}{4}+\frac{1}{4}

                    =31+\frac{1}{4}

                    =30\frac{1}{4}

Option 4

30+3\times 5-(\frac{75}{5}-10)=30+15-(15-10)

                                   = 30 + 15 - 5

                                   = 45 - 5

                                   = 40

Therefore, None of the given expressions has a value of 5.

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