Angela has a total of seven nickles and dimes. If the total value of the coins is $0.60, how many coins are nickles?

Mathematics

2 answers:

Flauer [41]3 years ago

7 0

its 12 nickels you would have 12 bc i did it on a test i tookand got it right

mr Goodwill [35]3 years ago

3 0

Answer:

Step-by-step explanation:

a nickle is worth 5 cents

12 times 5 is 60

60 divided by 12 is 5

there for you would have 12 nickles

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3 1/2 - 4 2/5<br> how do i do this?

Nadusha1986 [10]

Answer:

Ok so first you would have to turn them into improper fractions which is

3 $\frac{1}{2\\}$ = $\frac{7}{2}$ and 4 $\frac{2}{5}$ = $\frac{22}{5}$

So now that you have made them both improper fractions you have to find common denominators.

To find common denominators you must multiply both the numerator and the denominator by the same thing. Since your oposing fraction has a denominator of 5 you can know that a even number wont go in an odd number so take $\frac{22}{5}$ and mutiply both numbers by 2 and get $\frac{44}{10}$ . Then mutiply both numbers in $\frac{7}{2}$ by 5 to get a common denominator.