Use mental math to simplify.
(4.55 + 27) + 5.45

31.55+5.45

Step-by-step explanation:

4.55+27 would go to 31.55

31.55+5.45

37

Step-by-step explanation:

4.55 + 27 = 31.55

31.55 + 5.45 = 37

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2