Answer:
?=25
Step-by-step explanation:
15/x=21/x+10
Cross Multiply
15X+150=21X
SUBTRACT 15 X ON BOTH SIDES.
150=6x
DIVIDE 6 IN BOTH SIDES.
x=25
Answer:It will take 5 sec for a parachute to open.I did it on a piece of paper for u to show u more information
Step-by-step explanation:
Well 6 cm is 75 km plus 1 km is 12.5 so 87.5km
Answer:-5/z ; z=5 solution -1
Step-by-step explanation:
-5/5