Question

$30minutes$ to $1.5hours$

$=30minutes$ to ______ $minutes$

or $30:$______

Lowest form $=$______

• A. $90$ ,$90$
• B. $1:3$

Answer 1

Convert $1.5hours$ into $minutes$

We know that

$1hour=60minutes$

$1.5hours=1.5\times 60minutes=90minutes$

Therefore, $30minutes$ to $1.5hours$$=30minutesto90minutes$

$30minutes$ to $90minutes$$=30:90$

Lowest form $30:90$$=\frac{30}{90}=\frac{1}{3}$ ( Divide both $30$ and $90$ by their HCF $30$)

Hence, lowest form of $=30:90$$=1:3$