Answer:
x + 6.8 = 8.9
Step-by-step explanation:
First let's break this sentence down into parts.
A number increased by 6.8 is 8.9.
"A number" - This value is unknown, therefore we will represent it with x.
"increased by" - This signifies that we will be adding.
"is" - This represents the equal sign (=)
Now let's put these together.
This is your expression.
Hope this helps!
20hours
Old Job hours = 54 -34 = 20 hours
-6/4 or -1.5
because they have the same denominator, this would basically be (-3-3)/4
this can be reduced to -6/4, or -1.5