Which of the following mathematical expressions is equivalent to bh /2 ?
A. b/2 × h/2
B. 2 (b × h)
C. b/2 + h/2
D. 1/2 (b × h)
E. b × 2h correct answers D?
Peter works 38 hours per week and earns $7.25 per hour. His employer gives him a raise that
increases his weekly gross pay to $307.80. What is the increase in Peter's weekly gross pay?
A. $ 32.30
B. $ 34.70
C. $ 42.46
D. $275.50
E. $300.55 correct answers A. since 7.25x38=275.50. Then minus 307.80 by 275.50=32.5
Formula for Discounted Price correct answers =(1-%discount/100)x (original price)
Finding Length of Tape correct answers 2(height) + 2(top+bottom)
Increase Tape Length by % Formula correct answers =(1+%/100)(original length)
Average Formula correct answers Add up all numbers, then divide by the amount of numbers.
Ex: x+y+z/3
Distance correct answers (rate)(time) d=rt
,Dirt
Average distance correct answers total distance/total time
Increased Final Amount correct answers %increase/100xOriginal amount +original amount
1/3 (decimal) correct answers 0.33333 or .3-^, 33.3 %
1/4 (decimal) correct answers 0.25 or 25%
1/5 to decimal correct answers 0.2 or 20%
1/6 (decimal) correct answers .16 repeating or 16.6 %
2/3 (decimal) correct answers 0.66666
2/5 to decimal correct answers 0.4
3/4 (decimal) correct answers 0.75
3/5 to decimal correct answers 0.6 (non repeating)
4/5 (decimal) correct answers 0.8
5/6 (decimal) correct answers 0.83 repeating
4/6 (decimal) correct answers .666 repeating
, nearest tenth correct answers First number after decimal
nearest hundred correct answers Second number after decimal
PEMDAS correct answers Parentheses, Exponents, Multiplication, Division, Addition,
Subtraction
4x8 correct answers 32
5x6 correct answers 30
5x7 correct answers 35
5x8 correct answers 40
6x7 correct answers 42
6x8 correct answers 48
7x7 correct answers 49
7x8 correct answers 56
8x8 correct answers 64
9x4 correct answers 36