A few days ago
math question!?
Janice has a 5 inch high by 3 inch wide photo enlarged to a 3.5-foot tall poster. What should the width of the poster be? Round your answer to the nearest tenth.
Top 3 Answers
A few days ago
Favorite Answer
The proportions of the photo are 5:3 so the proportions of the poster need to be the same. So if it’s3.5 feet high that’s 42 inches. Divide by 5 and multiply by 3 for your answer
42/5 = 8.4
8.4 x 3 = 25.2
So your answer is 25.2 inches or
2 feet 1.2 inches
1
A few days ago
Well to answer this question you must first convert 3.5 ft to inches which is 42 inches..The equation is:
5:3 42:x
Just multiply the interior parts then divide the answer by the exterior..
42×3=126
126/5=25.2
Then convert 25. 2 inches to foot, which is 25.2 divided by 12…is equal to 2.1 ft.
The width of the poster would be 2.1 ft..
Hope this helps..
0
A few days ago
Set up a proportion.
Make 5 inches = 5/12 ft.
so 5/12 : 3.5 = 3/12: x
If set up as fractions, cross multiply.
So, 5/12 x = 3.5(3/12)
(5/12)x = 10.5/12
x = 10.5/12 times 12/5
x = 10.5/5
x = 2.1 ft
0
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