Answer:
older person: 32 yrs younger person: 5 yrs
Step-by-step explanation:
older person age: o
younger person age: y
o=5y+7
o+y=37
Solve with substitution:
5y+7+y=37
6y+7=37
6y=30
y=5
Plug back in:
o+5=37
o=32
Answer:
1/2
Step-by-step explanation:
you have 6/6 quarters you take three 3/6 and then simplify you have 1/2 taken.
Answer:
669 dollars and 70 cents
Step-by-step explanation:
just minus all the money spent and add the money added
She sold about 40 boxes because you do 66 - 40% = 39.6 or about 40
Let x = number of students in each of the remaining rows
266 = (10 x 20) + (5 x 8) + 2x
266 - (10 x 20) - (5 x 8) = 2x
266 - 200 - 40 = 2x
26 = 2x
x = 26/2
x = 13
