2351
According to division algorithm: Dividend = Divisor x Quotient + Remainder Dividend = 58 x 40 + 31 = 2341. So 2341 is the required number.
The student incorrectly calculated the division, as the correct quotient of 878 divided by 31 is 28 with a remainder of 10, not 11. This error likely occurred in the subtraction step after multiplying 31 by 28, where she should have subtracted 868 from 878, leading to the correct remainder of 10. Therefore, the student miscalculated the remainder after finding the quotient.
(7 x 4) + 3 = 31
31.3571
48.4516
According to division algorithm: Dividend = Divisor x Quotient + Remainder Dividend = 58 x 40 + 31 = 2341. So 2341 is the required number.
31.0333
222222222222
(7 x 4) + 3 = 31
31.3571
744 divided by 31 is 24 with remainder 0.
31.2
31
3.875
48.4516
63.1935
14.9355