I think that people believed that processed foods made life easier,in the 1950's and that is why it became the Golden Age of Food Processing. Foods like chicken pies or frozen fruit or vegetables or canned goods were fast and easy to prepare and with the stress of modern life of working and looking after a family there was less time for from scratch food preparation.
Facts and details. The way to capture a reader's interest is seeming to know what you're doing, and you do that with facts and details. Hope this helps :)
Assuming you meant:
The taxi firm charges £3.00 standing charge, plus 50p per mile. How much will it cost Jenny to travel 8 miles?
Then the answer would be,
50p (per mile) x 8 (miles) = £4.00.
£4.00 + £3.00 (S.O) = £7.00.
Therefore, the whole journey will cost Jenny £7.00.
-Hope this is what you were looking for, if not sorry.