If the mix ratio is $1$:$2$:$2,$ how much water $(bs|)$ do $1$ need for a

$\frac{w}{}=0\mathrm{.}45$ asuming the cement is a equal to $Sg=1\mathrm{.}5?$ If the gravel

have $1\%$ water $+$ Sand has $3\%$ water, How much water now do you

need? How would you reinforce this pour? $(5\mathrm{.}5$ "thick$)$

Volume of concrete to order: