Question

2. A mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of base.
In the following table, find the parts of base that need to be added.
Parts of red pigment 1 4 7 12. 20
Parts of base
8
base how​

Answer 1

Step-by-step explanation:

While mixing, the ratio of pigment and base should be same

So we have red pigment to base ratio given as 1:8

For red pigment =4

Base ⇒

8

1

=

x

4

=32

For red pigment =7

Base ⇒

8

1

=

x

2

=56

For red pigment =12

Base ⇒

8

1

=

x

12

=96

For red pigment =20

Base ⇒

8

1

=

x

20

• =160( or)

Answer 2

refer to the pic below