Answer:
20
Step-by-step explanation:
20+20=40
1/4 is the answer is is a lower fraction
Answer:
1/8÷7
Step-by-step explanation:
I think
11 and 12
7 and 512
12 and 10
0 and 78
left side numerator
right side denominator
Answer:
Valentina and Laura finished the same total number of shirts in
hours.
Total number of shirts finished by Valentina 
Total number of shirts finished by Laura 
Step-by-step explanation:
Suppose that Valentina and Laura finished the same total number of shirts in
hours.
Valentina can embroider 2 shirts per hour and Valentina has already completed 15 shirts.
Total number of shirts finished by Valentina 
Laura can get through 3 shirts per hour and Laura has completed 11 shirts.
Total number of shirts finished by Laura 
Therefore,

So,
Valentina and Laura finished the same total number of shirts in
hours.
Total number of shirts finished by Valentina 
Total number of shirts finished by Laura 