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katovenus [111]
3 years ago
14

Diego bought a book for $13.50. Sales tax is 7%. What is the total cost of his purchase? (show work)

Mathematics
2 answers:
kow [346]3 years ago
8 0

To get the total price multiply the cost of the book by 1 + sales tax rate:

7% as a decimal = 0.07

13.50 x 1.07 = $14.45

Varvara68 [4.7K]3 years ago
3 0

Answer:$22.70

Step-by-step explanation:

13.50

7%=0.7

13.50*0.7=9.45

13.50+9.45=$22.70

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sweaters already on sale for 20% off the regular price cost $28 when purchased with a promotion coupon that allows an additional
r-ruslan [8.4K]

The original price was $50.

To find this we need to start with the price you paid ($28). We then use this cost to find the pre-coupon price. Since the coupon affords a 20% discount, that means you pay for 80%. To solve this, simply divide the price you paid by the percentage you paid.

$28/.80 = $35.

Now that we have the pre-coupon price ($35), we can use that to find the original price. Again, we'd want to divide that by the percentage you paid for, which is 70%.

$35/.70 = $50

3 0
2 years ago
a sailfish can go as fast as 68mph. in 1 min. can a sailfish swim as far as 1 mile? explain the answer.
Bezzdna [24]
Yes the sailfish can swim one mile
7 0
3 years ago
"the quotent of a number and 4" i dont wanna fail math
Zielflug [23.3K]

Answer:

N/4

Step-by-step explanation:

quotient is the same as division

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Hope this helps

4 0
2 years ago
Abel and Cedric will share a total of $180. Abel will receive half as much as Cedric. What amount. in dollars, will Cedric recei
babymother [125]

Answer:

Abel receives $60, and Cedric receives $120

Step-by-step explanation:

Let Abel's share = A

Let Cedric's share = C

we are given the following

A + C = 180  - - - - - (1)   (Abel and Cedric will share a total of $180)

A = \frac{C}{2}\ - - - - - - - (2) (Abel will receive half as much as Cedric. )

from equation 2:

A = \frac{C}{2}\\ C = 2A\ - - - - - - (3)

putting this value of C in eqn (3) into eqn (1)

A + (2A) = 180

3A = 180

∴ A = 180 ÷ 3 = 60

to find C, let us replace the value of A in eqn (3) with 60

C = 2A - - - - (3)

C = 2 × 60

C = 120

Therefore, Abel receives $60, and Cedric receives $120

5 0
3 years ago
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Anastasy [175]
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3 years ago
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