The economy of Xiberia consists of exactly two industries: mining and manufacturing. It was expected that the economy would grow by $18$ If mining grew by $10$ and manufacturing by $20$ . However, if manufacturing grew only by $10$ , then, for the economy to still grow by $18$ , mining needs to grow by what ?
$25$
$37.5$
$50$
$62.5$

Question

The economy of Xiberia consists of exactly two industries: mining and manufacturing. It was expected that the economy would grow by $18$ If mining grew by $10$ and manufacturing by $20$ . However, if manufacturing grew only by $10$ , then, for the economy to still grow by $18$ , mining needs to grow by what ?
$25$
$37.5$
$50$
$62.5$

Toppr Admin · Accepted Answer