So the answers are :
A: 5 seconds
and
B: 10 seconds
Answer:
They bought 5
Step-by-step explanation:
65x+40y=765
65(5)+40(11)=765
Answer:
z=6
Step-by-step explanation:
z/3 + 1/2 = 5/2
Subtract 1/2 from each side
z/3 + 1/2-1/2 = 5/2-1/2
z/3 = 4/2
z/3 =2
Multiply each side by 3
z/3*3 = 2*3
z = 6