Answer:
1/2 cups of apple juice David used for 1 cup of carrot juice
Step-by-step explanation:
David uses 1/4 cups of apple juice for every 1/2 cup of carrot juice to make a fruit drink.
Two 1/2 cups of carrot juice makes 1 cup of carrot juice
because 
For each 1/2 cups of carrot juice David used 1/4 cups of apple juice
For 1 cup of carrot juice , two 1/2 cups of carrot juice used
so two 1/4 cups of apple juice should be used for 1 cup of carrot juice

Answer: 7-
Step-by-step explanation:
I know how to do this but could you many provide clearer pictures. they’re too fuzzy for me to be able to read
£10
Step-by-step explanation:
firstly what you have to do is
since the percentage is decreased
we will say 100 - 25% = 75%
then we say 7.50/75% = 10
So we know that the original price was
£10 pounds
As 10- 25%= 7.5
Divide 0.03 by 10.
This will give you 0.003 which is your answer.
To check, just multiply 0.003 by ten and you'll see that 0.03 is 10x more than it.