Answer:
-7/20
Step-by-step explanation:
3/10 ÷ -6/7
Copy dot flip
3/10 * -7/6
-21/60
Divide the top and bottom by 3
-7/20
Answer:
73:42
Step-by-step explanation:
1115-73=42
G : B
73 : 42
Answer:

or

Step-by-step explanation:
The difference of two trinomials
and
is
This means that

or

If one of the trinomials is
then

or

1. If
then

2. If
then

Hi!
From 4 p.m to 5:30 p.m. there is hour and a half, or 90 minutes.
Carolos played for 1/2 hour = 30 minutes.
Lisa played for 3/4 hour = 45 minutes.
Toni played = 90 - 45 - 30 = 15 minutes.
Hope this helps!
Answer:
$0.17
Explanation:
To find the unit cost, we need to divide the total cost by the number of units, so
$3.40 divided by 20 is
$3.40/20 = $0.17
Therefore, the unit cost is $0.17