Question

4
A box full of 35 matches has a mass of 6.77 g. The box itself has a mass of 3.37 9.
What is the mass of one match in grams?
a

Answer 1

Answer:

Rounded down to 2 digits, 0.10 grams.

Explanation:

6.77 - 3.37 = 3.4

3.4 / 35 = 0.09714285

Answer 2

The mass of one match in grams will be 0.097 g

What is unitary method ?

The unitary method is a technique for solving a problem by first finding the value of  a single unit and then finding the necessary value by multiplying the single unit value,

mass of 35 matches = mass of box full of matches - mass of box itself

mass of 35 matches = 6.77 g - 3.37 g

                                  = 3.4 g

using unitary method , we can write

if 35 matches can have a mass of = 3.4 g

1 match can have a mass of =  3.4/35 g

                                                 = 0.097 g

The mass of one match in grams will be 0.097 g

learn more about unitary method

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