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Workings

Hint
The word FEBRUARY appears 21 times.

Answer
The word FEBRUARY appears 21 times.

Workings

Hint
In each word, exactly one letter is wrong.

Answer
I like bees. When I see a bee, it makes me think of the honey that they make. Honey makes my toast nice.

Workings

Hint
You can either fix the distance rowed and see what numbers work, or you can fix the number of hours.

Answer
12 miles.

In the morning, rowing at 2 miles per hour, they rowed for 6 hours. In the afternoon, rowing at 4 miles per hour, they rowed for 3 hours.

There are a number of ways of working this out, and here are two of them:

Method 1
If we assume the distance the rowed upstream to be D miles, we know the morning took (D ÷ 2) hours, and the afternoon took (D ÷ 4) hours, with a difference of 3 hours. So:
 D   D
 - – - = 3
 2   4

Multiplying throughout by 4 gives:

 2D – D = 12

So:

 D = 12 miles

They rowed 12 miles upstream.

Method 2
If we assume they rowed for H hours upstream, we know they travelled H x 2 miles in the morning. In the afternoon, they rowed for (H – 3) hours, and travelled (H – 3) x 4 miles. We know these distances are the same, so:

 2H = (H – 3) x 4

Giving:

 2H = 4H – 12

Rearranging gives:

 12 = 2H

So:

 H = 6 hours

They rowed for 6 hours upstream at 2 miles per hour, which is a total of 12 miles.

Workings

Hint
The first letter is 12 = L.

Answer
Laughter is the best medicine.

Reasoning
Laughter = 12 + 1 + 21 + 7 + 8 + 20 + 5 + 18

is = 9 + 19

the = 20 + 8 + 5

best = 2 + 5 + 19 + 20

medicine = 13 + 5 + 4 + 9 + 3 + 9 + 14 + 5.