Evaluate 3 1/4 + 2 1/3. Select one: a. 12 1/5 b. 5 7/12 c. 5 1/12 d. 7 2/7

Mathematics

2 answers:

seropon [69]4 years ago

4 0

The answer to this question is b. 5 7/12

Svet_ta [14]4 years ago

3 0

Answer:

67/12 or 5 7/12

Step-by-step explanation:

3 1/4=13/4

2 1/3=7/3

----------------

13/4+7/3=39/12+28/12=67/12

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If 4 gal of premium unleaded gasoline costs $15.04, how much would it cost to completely fill a tank whose capacity is 9-gal?

Sveta_85 [38]

Answer:

$33.84 cents

Step-by-step explanation:

Given the following question:

4 gallons = 15.04
1 gallon = ?

How much for 9 gallons?

To find the answer we have to find how much one-gallon costs since we already know how much it costs for 4 gallons of this unleaded gasoline.

$15.04\div4$
$15.04\div4=3.76$
$=3.76$

One gallon of this gasoline costs $3.76 now we need to find how much it costs for 9 gallons.

$3.76\times9=33.84$
$=33.84$

For nine gallons of gasoline it will cost you "$33.84 cents."

Hope this helps.