teiuq2541 teiuq2541
  • 21-10-2018
  • Mathematics
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What is the numerical expression of the sum of 3 fifteens and 4 twos and the model of it

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Аноним Аноним
  • 21-10-2018

When you say something like "three fifteents", you means that you have to consider the number 15 three times, so you're implicitly talking about multiplications.

So, "3 fifteens" means [tex] 3\cdot 15 [/tex] and in the same fashion "4 twos" means [tex] 4\cdot 2 [/tex]

Finally, "and" implies a sum, so the expression would be

[tex] 3\cdot 15+4\cdot 2 [/tex]

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