This is the question
(6.30 * 10) + 10.95x > 300
when calculated, i multiplied 6.30 with 10, which equals to 63,
63 + 10.95x > 300
63 - 63 + 10.95x > 300 - 63
10.95x / 10.95 > 237 / 10.95
x = approx is 21 rounded to the nearest ones
The answer is YES, he can afford 20 dozen putters without spending more than 300$