4 with 3 remaining 39 - 3 = 36 = 9 x 4
39 x 4 =156
39 = 5x + 9 5x = 39 - 9 5x = 30 x = 30 / 5 x = 6
39 / 9 = 4 + 1/3 So 9 can be subtracted from 39 4 times.
39 x 4 = 156
Original Equation: 4x + 9x = 39 Factor: x(4+9) = 39 Add: x(13) = 39 Divide: x = 3 Check: 4(3) + 9(3) = 12 + 27 = 39 = 39
4 with 3 remaining 39 - 3 = 36 = 9 x 4
39 x 9 = 351
0 x 39 = 0 1 x 39 = 39 2 x 39 = 78 3 x 39 = 117 4 x 39 = 156 5 x 39 = 195 6 x 39 = 234 7 x 39 = 273 8 x 39 = 312 9 x 39 = 351 10 x 39 = 390
39 x 4 =156
39 = 5x + 9 5x = 39 - 9 5x = 30 x = 30 / 5 x = 6
39weeks - 52 weeks a year / 4 x 3 = 39
39 / 9 = 4 + 1/3 So 9 can be subtracted from 39 4 times.
39 x 4 = 156
One way:9 ft 2 in = 9 and 1/6 feet = 55/6 feet9 ft 9 in = 9 and 3/4 feet = 39/4 feet(55/6) x (39/4) = (55 x 39) / (6 x 4) = (2145) / (24) = 89.375 square feet======================================Another way:1 foot = 12 inches1 square foot = 144 square inches9 ft 2 in = (9 x 12) + 2 = 110 inches9 ft 9 in = (9 x 12) + 9 = 117 inches(110) x (117) = 12,870 square inches = (12,870 / 144) = 89.375 square feet
3 x 3 = 9 3 x 13 = 39 3 x 3 x 13 = 117
117 has infinite multiples and six factors. The factors are: 1, 3, 9, 13, 39, 117.