Question

а) 2:а=2 1/2: 1 1/4 допоможіть ​

Answer 1

$2 \div a = 2 \frac{1}{2} \div 1 \frac{1}{4} \\ 2 \div a = \frac{5 \times 4}{2 \times 5} \\ 2 \div a = 2 \\ a = 2 \div 2 \\ a =1$