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Evaluate: b) +20 - (-10) + 15, e) 25 ÷ 5 × 15, h) +8 × 15 ÷ -3

Mathematics

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Answers

3 parts
b
45
e
75
h
-40

Step-by-step solution

7 steps

here are the solutions to the problems from the image:

1. Evaluate:

Part b· 3 steps

+20−(−10)+15+20 - (-10) + 15

  1. Simplify the double negative.

    +20+10+15+20 + 10 + 15

  2. Add 20 and 10.

    30+1530 + 15

  3. Add 30 and 15.

    4545

    The result is 45\boxed{45}.

Part e75

25÷5×1525 \div 5 \times 15

  1. Perform division.

    25÷5=525 \div 5 = 5

  2. Perform multiplication.

    5×15=755 \times 15 = 75

    The result is 75\boxed{75}.

Part h-40

+8×15÷−3+8 \times 15 \div -3

  1. Perform multiplication.

    8×15=1208 \times 15 = 120

  2. Perform division.

    120÷−3=−40120 \div -3 = -40

    The result is −40\boxed{-40}.

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