Match each decimal with its percent equivalent.

Mathematics

1 answer:

Artemon [7]3 years ago

4 0

Answer:

1.5 = 150%

.15 = 15%

.01 = 1%

.1 = 10%

Please give brainliest

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cestrela7 [59]

Answer:

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Step-by-step explanation:

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3 years ago

31,50 is 42% os what number

sergeinik [125]

$\frac{31,50}{x}=\frac{42}{100}$

The right fraction represents the percentage; 42 over 100 (100 is the total), or 0.42.
The left fraction is the part number over the whole number. The whole number is unknown, so we use 'x'.

$\frac{31.50}{x} = \frac{42}{100}\\\\cross\ multiply\\\\31.50\times100=3150\\42\times x=42x\\\\3150=42x\\x=75$
Your answer is 75.

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4 years ago

Please help with (4.)

tia_tia [17]

This question is pretty confusing in the way that i'm not entirely sure what it wants the answer to be, but i'll do my best.

i used the simple interest formula to come up with the equations, and the formula is I = PRT, (I) being interest, (P) being the amount, (R) being the rate of interest, (T) being the time, in months

b = the balance on the customer's account
c = service charge
t = number of months

if b > 1000, then c = b*.008t
if b </= to 1000, then c = b*.012t
if b < 50, then c = t
if b = 0, then c = 0

it looks really confusing but i'm hoping it's lining up with what you're learning and not completely ?????

i created the restrictions with the inequalities based on the given information of what happens when a balance exceeds 1000, is less than 1000, is less than 50, and is 0.

i used the remainder of the given information in the problem to get the equations -- the interest rate for b > 1000 is 0.8%, which is .008, b </= 1000 is .012, and so on. i hope this wasn't too terribly confusing, and let me know if you have any questions about how i came up with the equations!!

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