Question
2.5 kg of potatoes cost ￡1.30 Work out the cost of 4.25 kg of potatoes. Optional working
Answer
4.6
(154 Votes)
Anwen
Professional · Tutor for 6 years
Answer
Firstly, Find the unit cost of the potatoes: ###
Next, calculate the cost for 4.25 kilos of potatoes:###
So, 4.25 kg of potatoes costs £2.21
Explanation
## Step 1: Firstly, Determine the cost of potato per kilogram. To find this, we divide the total cost of 2.5kg potatoes by the weight in kilogram (2.5kg). Carrying out the above operation in LaTeX:###
## Step 2:In this step, we need to calcuate the answer from operation in Step 1. Let's apply the values to the formula. After finding the unit cost per kilogram, the next step is to calculate the cost for 4.25kg of potatoes by using the following formula in LaTeX:###