**Weegy:** A strip of wood 78 inches long is to be cut into pieces 3 3/4 inches long. 20 pieces can be cut.
Solution:
78 ? (3 3/4);
= 78 ? 3.75;
= 20.8.

**User:** On a 50-question test, a student answered 5 questions incorrectly. What percent did the student answer correctly?

**Weegy:** On a 50-question test, a student answered 5 questions incorrectly. The percentage the student answer correctly is 90%.
Solution: 50-5= 45; 45/50 *100 = 90%.

**User:** Write 850 as the product of its prime factors.

**Weegy:** 850 as the product of its prime factors: 2 * 5 * 5 * 17

**User:** The number on top of a fraction is called the

**Weegy:** The number on top of a fraction is called the
numerator.

**User:** What is the decimal representation of 2/10 ?

**Weegy:** The decimal representation of 2/10 is 0.2

**User:** Find the value of 45 – 0.023.

**Weegy:** 45 - 0.023 = 44.977

**User:** The layer of gold coating on a ring should be 0.03 millimeters thick when the ring is completed. A coating of 0.021 millimeters has already been applied. How many more millimeters of gold coating must be added to finish the ring?

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