Answer:
19.87 ft
Step-by-step explanation:
cross multiply
5/7.8*x/31
31*5=155
7.8*x=7.8x
155/7.8=19.87
x=19.87 ft
1/59
c
The new coordinations would be (6,8)
yes
175 + 263 = 438
to get 40% do 40/100=0.4
so 438 x 0.4 = 175.2
175 is about 40% of 438
