Answer:
32
Step-by-step explanation:
do 4 x 3 = 12 then do 12 + 20 =32.
Answer:
John is 31
Ella is 25
Step-by-step explanation:
Let sister's age be x, then John's age is (x + 6). So from sentence 2,
(3x) - 2(x + 6) = 13
3x - 2x - 12 = 13
x = 13 + 12 = 25
and x + 6 = 31
Answer:
3,1
Step-by-step explanation:
Answer:
2/3 magazines per hour
Step-by-step explanation:
Olivia writes 2 new sheets of magazines in 3 hours.
The rate per hour at with she writes the sheets of magazines is the number of sheets divided by the amount of time taken to write the sheets.
Hence, the rate per hour is:
R = 2 / 3 = 2/3 magazines per hour
The rate per hour at with she writes the sheets of magazines is 2/3 magazines per hour.
