Question $6$

Not yet answered Points out of $1\mathrm{.}00$ & Flag question

A batch plant mixes $15$ tons of asphalt mix with an average mixing cycle of $2\mathrm{.}5$min. Plant efficiency is $90\%.$ Estimate plant production in ton $\frac{?}{hr}.$

a$.324tph$

b$.643tph$

c$.858tph$

d$.425tph$