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Ipatiy [6.2K]
3 years ago
9

Luke buys 7 new pencils. Now he has 21 pencils. How many pencils did Luke have at first?

Mathematics
2 answers:
Alinara [238K]3 years ago
7 0

Answer:

21-7

14

Step-by-step explanation:

Luke had 14 pencil at first

Pani-rosa [81]3 years ago
5 0

Answer:

14

Step-by-step explanation:

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Troyanec [42]
What do you need help on ?
8 0
3 years ago
The length of an average cat's body is 45 centimeters. How many millimeters are equivalent to 45 centimeters?
Over [174]

Answer:

450

Step-by-step explanation:

1 centimeter is equivalent to 10 millimeters . Therefore, 45 centimeters will be equivalent to;

45*10 = 450 millimeters

4 0
3 years ago
Read 2 more answers
The dance team traveled to a competition and traveled in two vans. The first van transported 2 adults and 5 students and cost $7
Shtirlitz [24]

Answer: $9

Step-by-step explanation:

Let the cost for adults be a

Let the cost for students be b.

The first van transported 2 adults and 5 students and cost $77. This will be:

2a + 5b = $77

The second van transported 2 adults and 7 students and cost $95. This will be:

2a + 7b = $95

2a + 5b = 77 ...... equation i

2a + 7b = 95 ........ equation ii

Subtract equation ii from I

-2b = -18

b = 18/2

b = $9

An student cost $9

Put the value of b into equation i

2a + 5b = 77

2a + 5(9) = 77

2a + 45 = 77

2a = 77 - 45

2a = 32

a = 32/2

a = 16

An adult costs $16

5 0
3 years ago
Can someone help me with this math homework please!
statuscvo [17]

Answer:

1 = Input G

2 = Input F

3 = Input H

Step-by-step explanation:

5 0
3 years ago
A bumper sticker has an area of five 24 ft.² which model correct present the area of the bumper sticker
Elodia [21]
A picture types of the models would be helpful.. but they could be found in a rectangular shape or square such as width=2 and length =12 vise versa or w=4 and length = 6 , etc etc
6 0
3 years ago
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