Triangle ABC is similar to triangle WYZ.
2 answers:
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Answer:
11.25 cups of water is needed to cook 5 cups of Beans.
Step-by-step explanation:
Given:
The amount of water required varies directly with the cups of beans.
2 cups of beans require 4.5 cups of water.
we need to find how many cups of water are needed to prepare 5 cups of beans.
4.5 cups of water =2 cups of bean
Number of cups of water = 5 cups of bean.
Now Using Unitary method for solving above we get,
Number of cups of water required =
Hence 11.25 cups of water is required to prepare 5 cups of beans.
<h3>Interest rate required for Antonio’s investment to double in value in 12 years is 8.3 % per annum</h3>
<em><u>Solution:</u></em>
Given that,
Antonio wants to invest $7600 in a saving account
Antonio’s investment to double in value in 12 years
To find: Rate of interest
<em><u>The total amount using simple interest is given as:</u></em>
Where,
p is the principal
r is the rate of interest
t is the number of years
From given,
p = 7600
t = 12 years
r = ?
Antonio’s investment to double
Therefore,
A = 2(7600) = 15200
<em><u>Substituting the values we get,</u></em>
Thus interest rate required for Antonio’s investment to double in value in 12 years is 8.3 % per annum