gamerstake1999 gamerstake1999

25-07-2021
Mathematics

contestada

can someone please help me out marking brainliest for a good explanation (picture)

can someone please help me out marking brainliest for a good explanation picture class=

Respuesta :

Bromine67 Bromine67

25-07-2021

Step-by-step explanation:

9 a = soln

3:9 = 6:n

or, 3/9 = 6/n

or, 3n = 54

or, n = 54/3

so, n = 18

b = soln

n/10 = 6/15

or, 15n = 60

or, n = 60/15

so, n= 4

10) a = 15% of 450

= 15/100 * 450

= 15/10 * 45

or, 15/2 * 9

or, 135/2

= 67.5 g

b= 125% of 60

= 125/100 * 60

= 5/4 * 60

= 5*15

= $75

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