I'd say what you would have to do is multiply 22 by 90% which is written like this:
0.9
What you will get when you put it into the calculator will be hours.minutes
Hope this helps!!(:
Its 81 because 729 divided by 3 and divided by 3 again is 81
Answer: C
Step-by-step explanation: There are 9 cards. 3 are vowels. 3/9 reduces to 1/3
The expression y = 7 + 2x can be substituted into the first equation to find the variable "x"
<h3>System of equation</h3>
System of equation are made of two or more equations with unknowns
Given the system of equation
4x=5-2y
y-2x=7
From equation 2:
y = 7 + 2x
The expression y = 7 + 2x can be substituted into the first equation to find the variable "x"
Learn more on system of equation here: brainly.com/question/14323743
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