Answer:
![25(1)/(2)\text{ inches}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/tu7xdwkdl1n6lbyy4f50qkv2e0m5dsk5e4.png)
Explanation:
We have been given that a company uses a sketch to plan an advertisement on the side of a building. The lettering on the sketch is 3/4 inch tall.
We are also told that in the actual advertisement, the letters must be 34 times as tall.
To find the height of the letters on the building, we will multiply 34 by 3/4 inch.
![\text{Height of the letters on the building}=34*(3)/(4)\text{ inch}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/v6iuaqfv6uwfhvxndtd8h5shwat1dagj2f.png)
![\text{Height of the letters on the building}=(34*3)/(4)\text{ inches}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/z1bl6xi1b5yfgxmo7bgo460tc3knalt23x.png)
![\text{Height of the letters on the building}=(102)/(4)\text{ inches}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/4h57q3uwv7hs2cc0n811i5s6pjsaz5eceh.png)
![\text{Height of the letters on the building}=(51)/(2)\text{ inches}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/vnwti1hwj8f6jp9xfwkxt69kl3vr6baf6e.png)
![\text{Height of the letters on the building}=25(1)/(2)\text{ inches}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/8i8kwftn7dvkopfldf4ped1zdvv77oujxp.png)
Therefore, the letters on the building would be
.