Question

Num jardim há cravos e rosas na razão de 8 para 11 há 88 rosas quantos cravos existem?

Answer 1

$\frac{c}{r} =\frac{8}{11}\\\\r=88\\\\\frac{c}{88}=\frac{8}{11}\\\\Multiplica~cruzado\\\\11c=88*8\\\\\c=frac{88*8}{11}\\\\Simplifica\\\\c=8*8\\\\c=64$

No jardim há 64 cravos.