Mathematics Knowledge 2026
Exam Questions and Correct
Answers | New Update
(5+3) times (2+1) times (10÷20) +5Even though math problems and
equations are read from left to right, there is an order in which arithmetic
operations must be performed.
1. First, do all work within parentheses
,2. Second, perform all multiplication and division and left to right order
3. Last, do additions and subtractions
Work this example:
(5+3) x (2+1) x (10÷20) +5 - 🧠ANSWER ✔✔(5+3)x(2+1)x(10÷20) +5
first do all the work within the parentheses.
8 x (2+1) x (10÷20) +5
8 x3 x ( 10÷20) +5
8x3x.05 +5
now perform all multiplications and divisions in left to right order
8×3×0.5+5
24×0.5+5
12+5
last do additions and subtractions....
17
A postal carrier can deliver mail to about 900 addresses in one day. In the
city of Huitt, there are 26,942 residence. Workforce policy is required hiring
,5% more carriers that are estimated to be needed in order to compensation
for vacation, sick days and so on. About how many mail carriers must be
hired to deliver mail to all of the Hewitt citizens each day?
A. 29
B. 30
C. 31
D. 32 - 🧠ANSWER ✔✔C. To find the number of mail carriers required,
divide 26,942 by 900, which equals 29.94. Multiply this by 1.05 to get the
extra 5% carriers, which results in 31.4 postal carriers. Rounding this down
(since the number to the right of the decimal is less than five) gives you a
final number of 31 total mail carriers for the city.
Of $128 at a dog show, 50% or female. Among the females, three out of
the four over the age of four. How many of the dogs were females four
years old or older?
A. 64
B. 48
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, C. 16
D. 32 - 🧠ANSWER ✔✔B. If 50% of 128 dogs or female, then there were 64
female dogs to start with (128×0.5 equals 64). Among those females, we
were told that three out of four were over the age of four. To convert it to a
percentage to work with more easily, the denominator must be 100.
Multiplying anything by one or any of its forms is still the number that we
started with, so 3/4×20/20 = 75/100. (20/20 is a restated form of one, so the
amount we are talking about is the same, just stated in a different form)
simplifying 75/100 gives us 0.75. Multiplying 64×0.75 equals 48, so we now
know that they were 48 female dogs over the age of four at the dog show.
If 1 pound of Mesquite-smoked, deli - sliced turkey breast cost $7.98 at the
second-largest grocery store in town, and each slice is about 1 ounce, what
is the cost of five slices?
A. $1.34
B. $2.37
C. $2.49