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Troyanec [42]
3 years ago
6

Alfie has a £10 note

Mathematics
1 answer:
Nana76 [90]3 years ago
5 0

Answer:

4 pencils

Step-by-step explanation:

3*1.45 = 4.35 ---> spent for the pens

( 10 -[ 4.35 + 2.05] ) = money spent on pencils

0.9x= 3.6

x=3.6/0.9 = 4

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If a number minus 3 is at most 12, or 1 more than 2 times the number is at least 25, then the number must be less than or equal
dezoksy [38]

Answer:

The statement is true.

Step-by-step explanation:

Let us assume that x is the required number.

Now, given that the number minus 3 is at most 12.

Hence, x - 3 ≤ 12

⇒ x ≤ 15 ......... (1)

And also given that 1 more than 2 times the number is at least 25.

Hence, 2x + 1 ≥ 25

⇒ 2x ≥ 24

⇒ x ≥ 12 .......... (2)

Therefore, from equations (1) and (2) we get the number must be greater than or equal to 12 or less than or equal to 15.

So, the statement is true. (Answer)

3 0
3 years ago
What is 5x –7(2)-7(4)?
BartSMP [9]

Answer:

5x-42

Step-by-step explanation:

5x-7(2)-7(4)

5x-14-28

5x-42

8 0
3 years ago
Read 2 more answers
(25)2×100÷23+[24÷(13−5)]
hram777 [196]

Answer:

100*100/23+(24/8)

100*100/23+3

100*4.37+3

43.7+3

46.7

Step-by-step explanation:

7 0
3 years ago
Juliet rented a car for one day from a company that charges $80 per day plus $0.15 per mile driven. If she was charged a total o
svlad2 [7]

Answer:

B) 120

Step-by-step explanation:

m = miles

$98=$80+$0.15m

$98-$80=$80-$80+$0.15m

$18=$0.15m

$18/$0.15=$0.15m/$0.15

120=m

Juliet drove 120 miles for $98.

(this is a good explanation, I guess)

7 0
3 years ago
Read 2 more answers
The value of 4 in 46,395 is how many times the value of 4 in 14,906?
serg [7]
The 4 in 46,395 is 10 times the 4 in 14,906.
5 0
3 years ago
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