kylastewartmw kylastewartmw

19-02-2021
Mathematics

contestada

1) a mass of 300kg is increased by 8%.
workout the increase in mass

2) nelson scores 27 out of 40 in a test
work out his score as a percentage

Respuesta :

nanaekuaankoma nanaekuaankoma

21-02-2021

Answer:

1. 324kg

2. 67.5%

Step-by-step explanation:

1. % increase = 100 + 8 = 108%

[tex]\frac{108}{100} x 300[/tex]

= 324kg

2. [tex]\frac{27}{40} x 100[/tex]

= 67.5%

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