<span>-What equation can be used to solve this work problem?
t/30 + t/20 = 1
</span><span>-How many minutes will it take both hoses to fill the pool?
12 minutes</span>
A few years ago an apparatus was devised for enlarging drawings, &c., from a facsimile ... in the ratio of two In“ gers; then we are told that the corresponding term in the ... And how can we be sure that such integers could not be found in every case! ... will be a satellite of the other; but let us take as an example the ratio 1 to 2.
Feet............................................