Question

8. Without using a calculator, decide which of
the options is better value for money.
9
Option A
Option B
gebby
Jably
300 g Jelly Beans
$5.80
500 g Jelly Beans
$9.90​

Answer 1

Answer:

(i) 9801

Answer: 1 and 9.

Explanation: Since 12 and 92 give 1 at unit’s place, so these are the possible values of unit digit of the square root.

Answer 2

Step-by-step explanation:

In first case it is $0.0116

And in the second case, one is for $0.0198

Therefore, Option A is more cost effective.

Hence, Option A is a better option.

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