Question

2
Sam's mother bought a fish and 2 kg of prawns for $38.50
The fish cost $3.70 more than 1 kg of prawns
Find the cost of 1 kg of prawns​

Answer 1

Step-by-step explanation:

Correct Question:-

Sam's mother bought a fish and 2 kg of prawns for 38.50. The fish cost 3.70 more than 1 kg of prawns. Find the cost of 1 kg of fish.

ANSWER:-

Given that:-

• The price of 2 kg prawns is $38.50
• The 2 kg fish costs $3.70 more than 1 kg of the prawns.

To find:-

The price of 1 kg prawns.

Let's Do!

We are given a clue that "The fish cost $3.70 more than 1 kg of prawns".

Which means if we subtract $3.70 from 2 kg price, we will easily get the required result.

Indirectly, we get:-

Let the price of fish be x.

However, we can use Unitary method to find the cost of the prawns.

2kg of prawns give $38.50

So, 1 kg gives $\dfrac{38.5}{3.7}$

So, $ 10.405 is the cost of 1 kg prawn.

Now, the clue is going to be used.

So, $ 3.7 + $ 10.40 = x

Price of fish = $14.1

So, the price of fish is $14.1 . Hence the required answer.

Answer 2

Given that -

✠ Sam's mother bought a fish and 2 kg of prawns for $38.50

✠ The fish cost $3.70 more than 1 kg of prawns

To find -

✠ Cost of 1 kg prawn

Solution -

✠ Cost of 1 kg prawn = 34.8 $

Let's see what to do..!

As the question says that the fish cost $3.70 more than 1 kg of prawns means we have to subtract the digits. And it is also state that she bought 2 kgs of that food.

Henceforth, we get our final result very easily but indirectly,..!

➨ $38.50 - $3.70

➨ 34.8 $