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1: Estimate the quotient using compatible numbers : 156 divided by 8

2: Estimate the product using compatible numbers : 48 times 32

3: Find the solution of the equation : b – 12 = –8

Respuesta :

Answer:

Step-by-step explanation:

For the first one you can round 156 to 160 because 16 divided by 8 is 2 so 160 divided by 8 is 20. For the second one you can round 48 to 50 and 32 to 30 because 50 times 30 is 1,500. For the last one, add the 12 to the -8 which is 4. b=4.

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