3x+4=28 because 3 times an unknown number was mentioned first and mentioned together so they will be together, increased by 4 is +4 and comes after, the result of is the same as equals so you put the equals sign and whatever number they gave after.
Answer:
51 feet
Step-by-step explanation:
Let
x -----> the height of a flagpole
we know that
Using proportion

Answer:
10+5=15 sow longer trail is 15
Answer:
Step-by-step explanation:
36/100=0.36 - 1%
8*0.36=2.88$