Answer:
Correct Answer is option A.
Step-by-step explanation:
24 - 18 ÷ 3
According to PEMDAS Rule where P stands for parenthesis ,E exponents,M multiplication ,D division , A addtion and S subtraction
so first we divide 18 by 3 we get
24-6
Answer.
Answer:
WV is the perpendicular bisector of UT.
Answer:
B)
Step-by-step explanation:
65 x 2.5 = 162.5
70 x 1.5 = 105
162.5+105=267.5
Answer:
40/9
Step-by-step explanation:
Use the work formula, 
+ 
= 
, where A is the amount of time it takes one person, B is the amount of time it takes another person, and T is the time it takes for them to work together.
Plug in the times for David and Alex alone:
+ 
=
Find the least common denominator, which is 40.
+ 
=
=
Cross multiply and solve for T:
9T = 40
T = 40/9
So, if they worked together, it would take them 40/9 hours
