Answer:
Its 40 for the first and 20for the other one
Step-by-step explanation:
I just took the test.
1. we know she needs 3 packs of biscuits
2. Shop A you only need to pay for 2 packs
3. Shop B you only need to pay for 2 packs
4. Shop C you need to pay for all three
5. so we know C is out of the option.

so shop A and B will cost the least
20, 25, 30, 30, 31, 40, 41, 49
median = 30.5
lower IQR = 27.5
upper IQR = 40.5
Range IQR = 40.5 - 27.5 = 13
answer is 13
Its C. 113 ft because the height and the perimider of the trinagle
$13.52-$2=$11.52

Kareem was billed for 96 minutes.
Hope this helps. - M