millerjason92 millerjason92

07-04-2020
Mathematics

contestada

A bag contains purple marbles and blue marbles, 38 in total. The number of purple marbles is 5 more than 2 times the number of blue marbles. How many purple marbles are there?

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kenlingdad kenlingdad

07-04-2020

Answer:

27 purple marbles are there

Step-by-step explanation:

P = 2B + 5

P + B = 38

P = 2 x (38 - P) + 5

= 76 - 2P + 5

= 81 - 2P

3P = 81

P = 27

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