3/5 = 6/10 (which is 60%) 100% - 60% = 40%
0.5 x 4 = 2 feet / 2 feet in 4 seconds
15 - 2 = 13
New depth: 13 feet
0.4 x 3 = 1.2 feet / 1.2 feet in 3 seconds
13 - 1.2 = 11.8
New depth: 11.8 feet
12h-9h=3h move everything else to other side
3h=20-40+6
3h=-14
divide by 3
h=-14/3
(number less tan 10 and more than or equal to 1) times (10^m)
0.00048=4.8 times 10^4
answer si 4.8*10^4
X+y+z≥627
x=222
y=194
222+194+z≥627
if we solved for z then
z≥221
