Solve for x.
7x = 42
7x = 42
Divide both sides by 7
x = 6
To solve for x:
42/x = 5/2
Cross-multiply:
5x = 84
Divide both sides by 5:
x = 16.8
To find the number:
Let x be the number.
25% of x is 60.
Convert the percentage to a decimal by dividing by 100:
25/100 = 0.25
Write an equation and solve for x:
0.25x = 60
Divide both sides by 0.25:
x = 240
Therefore, 60 is 25% of 240.
X=6
42/x=5/2
60 is 25% of what number
If you invest $1600 at 5.25% for 18 mouths, how much simple interest is earned
First, we need to convert the time from months to years by dividing by 12:
18 months ÷ 12 months/year = 1.5 years
Next, we can use the formula for simple interest:
I = P * r * t
Where:
I = Interest earned
P = Principal (initial investment)
r = interest rate (as a decimal)
t = time in years
Substitute the given values and solve for I:
I = $1600 * 0.0525 * 1.5
I = $126
Therefore, the simple interest earned is $126.
A pair of jeans originally cost $85 but are on sale for 45% off what is the sale price.
To find the sale price of the jeans:
1. Calculate the discount:
Discount = 85 * 0.45
Discount = 38.25
2. Subtract the discount from the original price:
Sale Price = 85 - 38.25
Sale Price = 46.75
Therefore, the sale price of the jeans after a 45% discount is $46.75.