8 A team of workers deliver identical fridges. The team will use the average time to fully load an old lorry to predict the time to fully
load a now lorry.
The table shows the times it took to fully load the old forry with 24 tiedigen.
Time
52
(mins)
80 55 59 54 63 56
The diagram shows the space available for fridges in the new lorry.
The space is in the shape of a cuboid.
2400 mm
13600 mm
Each fridge needs a rectangular floor space 1000 mm by 800 mm.
The team do not stack fridges.
They think it will take less than 90 minutes to fully load the new lorry.
Are they correct?

The sum of two numbers is 86, and their difference is 20. find the two numbers

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?