Asked by Cyndy
On an 18-hole golf course, there are par-3 holes, par-4 holes and par-5 holes. A golfer shoots a par of 70 for the 18 holes. There are twice as many par-4 holes as par-5 holes. How many of each type of hole are there on the golf course?
Answers
Answered by
Reiny
number of par 5 ---- x
number of par 4 ---- 2x
number of par 3 ---- 18-x-2x = 18-3x
solve
5x + 4(2x) + 3(18-3x) = 70
..
.
x = 4
par 5 --- 4
par 4 --- 8
par 3 --- 6
number of par 4 ---- 2x
number of par 3 ---- 18-x-2x = 18-3x
solve
5x + 4(2x) + 3(18-3x) = 70
..
.
x = 4
par 5 --- 4
par 4 --- 8
par 3 --- 6
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