In the school choir, there are 30 children. The ratio of girls to boys is 4:1. How many boys are in the choir?
1 answer:
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Answer:
<h2>width = 3 feet</h2>Step-by-step explanation:
Let h be the height of the door
and w be its width
The statement “The height of the door is I foot more than twice its width”
can be translated mathematically like this : h = 2w + 1
Let’s solve the equation for w:
h = 2w + 1
⇔ 2w = h - 1
now , if the door is 7 feet high then it’s width is equal to :
Look at the picture.
Answer: A. (3.5, -4)
