Simplifying Expressions
x + 2 + 1
x + 3
x + 3 = 8
x = 5
Momo is 60 grams. How many kilograms is Momo?
0.060 kg
What is the reflexive property?
a = a
Brian earns twice as much each week as a tutor than he does pumping gas. Hist total weekly wages are 150 more than that of his younger sister. She earns one quarter as much as Brian does as a tutor. How much does Brian earn as a tutor?
$420
2(x+3)
2x + 6
2x - 3 = 45
24
Momo ate 3 kg of fish. Mimi ate 2.23 kg of fish. How many grams of fish did they all eat?
5230 grams
What is the property of the reciprocal of a product?
1/(ab) = 1/a * 1/b
Paul mixed 2 cups of sunflower seeds and 3 cups of raisins to make a snack for a hike. She figured that the mixture would procide her with 2900 calories of food energy. Find the number of calories per cup of raisins if it is 400 less than the number of calories per cup of sunflower seeds.
420 calories
ari luvs alona
8(x+2)+3
8x+19
1/2 (x + 4) = 24
x = 40
A police helicopter timed a truck over a stretch of highway ⅕ miles long. The truck traveled the distance in 10s. At what rate was the truck traveling in mi/s?
1/50 miles per second
4 / 2 = 4 * 1/2
Definition of Division
A rectangle is three times as long as it is wide. If its length and width are both decreased by 2 cm, its area is decreased by 36 cm2. Find its original dimensions.
Length: 15 cm
Width: 5 cm
2[2+3(1+x)]
10+6x
2 [8 + 1/2(2x - 6)] = 16
x = 6
Raul drove ¼ miles from Exit 27 to Exit 28 in 18s. At what rate was he traveling in miles per hour?
50mi/h
is this a correct use of the associative property :
d+[a+(b+c)]+e = [d+a+(b+c)] + e ?
Yes
Jesica has 16 dimes and quarters. Whitney has twice as many dimes and ⅓ as many quarters as Jessica has. If they both have the same amount of money, what coins does each have?
Jessica: 10 dimes and 6 quarters
Whitney: 20 dimes and 2 quarters