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Afina-wow [57]
3 years ago
12

A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards, the carpenter notices that

he has enough pieces left over to make up the same length is 4 of the original boards. How many boards did the carpenter start with?
Mathematics
1 answer:
oksian1 [2.3K]3 years ago
4 0

Answer:

10 boards

Step-by-step explanation:

2/5 multiplied by 10 equals 4.

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Answer highlighted in blue. Hope this helps.
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I need help with this question
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A box of Cookies original cost $2. 15. It is on sale for 15% off. What is the cost of the cookies after discount ?
harina [27]

Answer:

$1.83

Step-by-step explanation:

$2.15 (original price of cookies) - 15% (discount) = $1.83 (rounded since the original total was: 1.8275)

4 0
3 years ago
The employees of a hardware store ordered lunch from a local delicatessen. The lunch consisted of 4 turkey sandwiches and 7 orde
AleksandrR [38]

Answer:

Charges of Turkey is $6.25

Charges of French Fries is $1.90

Step-by-step explanation:

Given

Represent Turkeys with T and French Fries with F;

4T + 7F = 38.3

5T + 5F = 40.75

Required

Determine the values of T and F

5T + 5F = 40.75

Divide through by 5

T + F = 8.15

Make F the subject

F = 8.15 - T

Substitute 8.15 - T for F in the first equation

4T + 7F = 38.3

4T + 7(8.15 - T) = 38.30

4T + 57.05 - 7T = 38.30

Collect Like Terms

4T  - 7T = 38.30 - 57.05

-3T = -18.75

Solve for T

T = -18.75/-3

T = 6.25

Recall that:

F = 8.15 - T

F = 8.15 - 6.25

F = 1.90

6 0
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Compare 13 and – 8).
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Step-by-step explanation:

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