The equation for simple interest is I = PRT. I = interest earned, P = principal/money invested, R = rate as a decimal, T = time in years.

I = (450)(0.03)(4)
I = 54

$54 is your answer

3 0

1 year ago

HELP ME I DON'T UNDERSTAND THIS :(

andriy [413]

Answer:

Step-by-step explanation:

Since the figures are similar then the ratios of corresponding sides are equal, that is

$\frac{AD}{WZ}$ = $\frac{CD}{YZ}$ , substitute values

$\frac{10}{46}$ = $\frac{5}{YZ}$ ( cross- multiply )

10YZ = 230 ( divide both sides by 10 )

YZ = 23 → c

3 0

2 years ago

A salt mixture has 8 parts water and 2 parts salt. Suppose one part of each is added. What is the new ratio of salt

Ivanshal [37]

Answer:

3 to 9

Step-by-step explanation:

3 0

2 years ago