Question

The masses of three bags of flour are, 1.2 kg, 75 g and 1/2 kg. Work out the total mass in kilograms. * 1.775 kg 1.075 kg 1.750 kg 1.777 kg

Answer 1

Given:

The masses three bags of flour are:

1.2 kg

75 g

$\frac{1}{2}$ kg = 0.5 kg

To find:

Work out the total mass in kilograms.

Solution:

One of the masses of the three bags is given in terms of grams, so to work out the total mass in kilograms, we have to convert grams into kilograms.

We have,

$1 \:gram = \frac{1}{1000} \: kilograms$

∴ $75 \:g = \frac{75}{1000} \:kg = 0.075\:kg$

Now, we will work out the total mass of the 3 bags of flour:

Total Mass = $1.2 \:+\:0.075\:+\:0.5=$ $\bold{1.175\:kg}$ ← option (1)

Thus, the total mass of the 3 bags of flour in kilograms is 1.175 kg.

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Answer 2

A) 1.775 Kg

Step-by-step explanation:

Given: 1.2 kg, 75 g and 1/2 kg

Find: Mass in kg

Solution:

Given mass are 1.2 kg, 75 g and 1/2 kg.

Converting to kg:

1.2 kg = 1.200 kg

75g = 75 / 1000 = 0.075 kg

1/2 kg = 500 g = 0.500 kg

So the total mass = 1.200 + 0.075 + 0.500 = 1.775 kg

Option A is the answer