X=time of the third person it would take to fill the pool
We can suggest this equation:
6[(1/20) + (1/15) +(1/x)]=1
6[(3x+4x+60)/60x]=1
(7x+60)/10x=1
7x+60=10x
7x-10x=-60
-3x=-60
x=-60/-3
x=20
Answer: the third person alone would fill the pool in 20 hours .
Answer:
10 dimes and 14 quarters
Step-by-step explanation:
take the amount of four quarters to start with: 1$
then from here, for add one quarter and one dimes worth: 35 c
keep adding until you reach 450
then count how many 35 c you counted and thats how many dimes you have
add four to that number and youll get the amount of quarters
Answer:
do u mind helping me for school ?
if so check my latest questions pls ty
Step-by-step explanation:
Answer: i dont know if this is correct but i think the answer is.... tom will have 74 apples
Step-by-step explanation:
Hey
périmètre = 2 ( x + 2 x - 5) = 2 x + 4 x - 10 = 6 x - 10
