Answer:1
Step-by-step explanation:
I had to give details
Literal equation:
we know that
literal equation is equation of more one variable
for example: 
And we can solve such equations only if we are given two such equation
because it has two variables
One variable equation:
such equation has single variables
for example:

we don't need any other equation
we can solve for variables from single equation itself
because it has only one variable that is x
Answer:
70
Step-by-step explanation:
60/40Ⅹ50=70
I hope this helps