# Prealgebra

All new and solved questions in Prealgebra category

##### Landscaping
A landscape engineer has 200 ft of border to enclose a rectangular pond. What dimensions will result in the largest pond?...
##### Probability
according to a survey of American households, the probability that the residents own 2 cars if annual household income is over $50,000 is 80%. of the householdssurveyed, 60% had incomes over$50,000 and 70% had 2 cars. the probability that the residents of the household own 2 cars and have income ov...
##### The Lowest Common Denominator
what is the LCD of 8,10,12...
##### How do you simplify 6\frac{1}{5} + \frac{1}{10}?
How do you simplify 6\frac{1}{5} + \frac{1}{10}?...
##### On day 1, a volcano expelled five metric tons of sulfur dioxide. On day 2, the same volcano expelled 12 metric tons of sulfur dioxide. What is the percentage increase in sulfur dioxide from day 1 to day 2?
On day 1, a volcano expelled five metric tons of sulfur dioxide. On day 2, the same volcano expelled 12 metric tons of sulfur dioxide. What is the percentage increase in sulfur dioxide from day 1 to day 2?...
##### A piece of wire 2/7 m long is to be cut into 10 pieces of the same length. What is the length of each piece?
A piece of wire 2/7 m long is to be cut into 10 pieces of the same length. What is the length of each piece?...
##### 27 is what percent of 75?
27 is what percent of 75?...
##### How do you write 1/14, 7/9, 4/5, in order from least to greatest? Thank you
How do you write 1/14, 7/9, 4/5, in order from least to greatest? Thank you...
##### I have 2 million, 5 thousands, 23 tens, 34 ones, 3 tenths, and 15 hundredths. What number am I?
I have 2 million, 5 thousands, 23 tens, 34 ones, 3 tenths, and 15 hundredths. What number am I?...
##### What is 14.7 -: 3.5?
What is 14.7 -: 3.5?...
##### How do you write 1.08 in word form?
How do you write 1.08 in word form?...
##### How do you evaluate \frac { 4} { 9} \times \frac { 12} { 20} ?
How do you evaluate \frac { 4} { 9} \times \frac { 12} { 20} ?...
##### How do you evaluate -2.4- 4.8?
How do you evaluate -2.4- 4.8?...