johnydago johnydago
  • 08-07-2019
  • Mathematics
contestada

Simplify the expression. 21 + 49 ÷ 7 + 1

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zrh2sfo zrh2sfo
  • 10-07-2019

Answer:

29

Step-by-step explanation:

Simplify the following:

21 + 49/7 + 1

Hint: | Reduce 49/7 to lowest terms. Start by finding the GCD of 49 and 7.

The gcd of 49 and 7 is 7, so 49/7 = (7×7)/(7×1) = 7/7×7 = 7:

21 + 7 + 1

Hint: | Evaluate 21 + 7 + 1 using long addition.

| 2 | 1

| | 7

+ | | 1

| 2 | 9:

Answer:  29

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