Question

1. 9/10
2. 53/20
3. 7/4
4. 17/10

Answer 1

83/20 or

4 3/20

Explanation:

bars are called absolute value

between these bars ->∣∣

even if a number is negative

it becomes positive

∣-4/5 -1/10∣+ ∣-3/4 -5/2∣

∣-8/10 -1/10∣+ ∣-3/4 -10/4∣

∣-9/10∣+ ∣-13/4∣

now these fractions are positive

18/20 + 65/20

83/20

4 3/20

Answer 2

Answer: The answer is 2. 53/20 equal to 2.65

Explanation:

line - 4/5 subtract 1/10 line plus line negative 3/4 plus 5/2 line

line negative 8/10 subtract 1/10 line plus negative 3/4 plus 5/2 line

subtract 1 from -8 to get -9.

line negative 9/10 line plus negative 3/4 plus 5/2 line

9/10 plus line negative 3/4 plus 5/2 line

9/10 plus line negative 3/4 plus 10/4 line

9/10 plus line 7/4 line

9/10 + 7/4

18/20 + 35/20

18 + 35/20

53/20

53/20= 2 13/20 = 2.65