Respuesta :

cryssatemp

Answer: 45

Step-by-step explanation:

As we can see here, the relation is as follows:

(1)(4)+1 = 4+1= 5

(2)(5)+2 = 10+2 =12

(3)(6)+3 = 18+3= 21

Then, if we follow the same pattern:

(4)(7)+4 = 28+4= 32

Hence:

(5)(8)+5 = 40+5=45

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