Answer:
80
Step-by-step explanation:
2:3
2+3=5
2/5×200=80
It simplifies to 27/70 if you use a calculator and do the math right
Answer:
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Answer:
The equations which have only one solution is: 5x²+20x+20=0,
Step-by-step explanation:
Answer: 6 rooms
Step-by-step explanation:
3/8 rolls of wire are needed to wire a room in a house. If there are a total of 2¹/₄ rolls of wires, the number of rooms that could be wired is:
First convert to an improper fraction:
2¹/₄ = 9/4 rolls of wire
Total number of rooms that can be wired are:
= Total amount of wire available / Wires per room
= 9/4 ÷ 3/8
= 9/4 * 8/3
= 72 / 12
= 6 rooms