Question

1260 by 21/2 decrease number required​

Answer 1

Step-by-step explanation:

1260 by 21/2 decreases so 1260×21/2 =13230 hence it increases 13,230-1260=11,970

Answer 2

Answer:

1140

Step-by-step explanation:

$\frac{1260}{ \frac{21}{2} } = \frac{1260 \times 2}{21} = \frac{2520}{21} = 120 \\ now \: the \: required \: decrease \: nos = 1260 - 120 = 1140 \\ thanks \\ follow \: me$