Question

Express the following in the form of



, where p and q are integers and q ≠ 0.

0.4

b) simplify the expression: +
​

Answer 1

Answer:

4/9

Step-by-step explanation:

eq1 -x=0.4(bar on 4). eq2-10x=4.4(bar on 4 after point). eq2-eq1. 10x-x=0.4-4.4(bars on 4 after point). bar 4 Will be subtracted to 0 which will give 4.0 10x-x=9x. 9x=4.0 x=4 upon 9