138, 140, 141, 142, 143, 144, 145, 146, 147, 148, 150 (including 138 and 150)
20 with 3 remaining 143 - 3 = 140 = 7 x 20
140
95+65+140+145+150 = 695
100
138, 140, 141, 142, 143, 144, 145, 146, 147, 148, 150 (including 138 and 150)
143 rounded to the nearest ten is 140.
140
140
137.
143
The greatest common factor of 140 and 150 is 10.
When rounding 143 to the nearest ten, you look at the digit in the tens place, which is 4. Since 4 is less than 5, you round down. Therefore, 143 rounded to the nearest ten is 140.
20 with 3 remaining 143 - 3 = 140 = 7 x 20
149 is the only prime number betweeen 140 and 150.
10
140