Krystal hiked 109 miles last year. Tanji hiked 12 times as many miles as Krystal. How many miles did Tanji hike last year?
2 answers:
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Answer:
x = -4 and x = 5
Step-by-step explanation:
Since and
both equal to y, we know that the expressions equal to each other. We can write a new equation base on that.
Now we solve the equation.
Answer:
Step-by-step explanation:
assuming the recurring digits are 0.272727.... , then
we require 2 equations with the repeating digits placed after the decimal point.
let x = 0.2727.... (1) ← multiply both sides by 100
100x = 27.2727... (2)
subtract (1) from (2) thus eliminating the repeating digits
99x = 27 ( divide both sides by 99 )
x = =
← in simplest form