Find the cost of 1 kilogram, by dividing the cost of 2 by 2:
4.50 / 2 = $2.25 per kilogram.
Now multiply the cost of 1 by 3:
2.25 x 3 = $6.75 for 3 kilograms.
Answer:
the awnser is B
Step-by-step explanation:
the awnser is B
Let the total earnings be = x
Jennifer and Chris split the earnings in the ratio 3:2
Jennifer earned = $48


x=80
Hence total earnings are $80
(a) Chris earning is = 
Hence, Chris earns $32
(b) Jennifer spends 30% of her earnings on a book.
So, price of the book = 
Price of book = $14.40
(c) Jennifer also buys a magazine for = $5.40
So, total money Jennifer spent on book and magazine = 14.40+5.40=19.80
Money left with Jennifer = 48-19.80= $28.20
In fractions =
or multiplying the numerator and denominator by 10, we get
=
(d) Let the original price of the shirt = x
reduction percentage on x= 40%
Price paid after reduction = 16.80



Hence, the original price of the shirt was $42.
Answer: -5+8 because the difference (-) of -5 and 8 is 8 - (- 5) which can also be expressed as -5+8. All that matters is that 5 stays negative and 8 stays positive.
Answer -3.5 reason is because if u do 7 multiplied by 1/2 u get that answer