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lrthw/exercises/ex21.rb

35 lines
648 B
Ruby
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2023-09-30 13:20:59 +00:00
def add(a, b)
puts "Adding #{a} + #{b}"
a + b
end
def subtract(a, b)
puts "Subtracting #{a} - #{b}"
a - b
end
def multiply(a, b)
puts "Multiplying #{a} * #{b}"
a * b
end
def divide(a, b)
puts "Dividing #{a} / #{b}"
a / b
end
puts "Let's do some math with just functions!"
age = add(30, 5)
height = subtract(78, 4)
weight = multiply(90, 2)
iq = divide(100, 2)
puts "Age: #{age}, Height: #{height}, Weight: #{weight}, IQ: #{iq}"
# A puzzle for the extra credit, type it in anyway.
puts "Here is a puzzle."
what = add(age, subtract(height, multiply(weight, divide(iq, 2))))
puts "That becomes: #{what}. Can you do it by hand?"