equation

5a+1=21, a = ?

• 2

• 3

• 4

• 5

Tags

CCSS.7.EE.B.4A

y/8 + 3 = 9

• 24

• 20

• 16

• 12

Tags

CCSS.7.EE.B.4A

以下哪一句表示 'a plus 3 and then times 2 equals to 16'? Which of following represent 'a plus 3 and then times 2 equals to 16'?

• a + 3 x 2 = 16

• a + 2 x 3 = 16

• a x 2 + 3 = 16

• (a + 3) x 2 = 16

Tags

CCSS.HSA.CED.A.3

以下哪一條方程式表示' 4 times the sum of 3 and P equals to 15'? Which of the following equations is represent ' 4 times the sum of 3 and P equals to 15'?

• 4 ÷ (3+P) = 15

• (3+P) ÷ 4 = 15

• 4 x (3+P) = 15

• 4 x (3-P) = 15

Tags

CCSS.HSA.CED.A.3

0.2t - 1.6 = 5, t = ?

• 33

• 30

• 24

• 10

Tags

CCSS.7.EE.B.4A

班房內女學生有15位，男學生佔全部學生的40%。班房內有多少個學生？There are 15 girl in the classroom and 40% of the all students are boy. How many student in the classroom?

• 30

• 25

• 22

• 20

Tags

CCSS.6.RP.A.3C

媽媽以九折的折扣買了一個冰箱，它的售價是1350元。求它的原價。A refrigerator is now sold at 90% of its original price. If its price is now $1350, find the original price of the pot.

• 1420

• 1400

• 1350

• 1500

Tags

CCSS.6.EE.B.7

(m+5)÷ 8 = 13, m = ?

• 97

• 98

• 99

• 100

Tags

CCSS.7.EE.B.4A

橙汁一瓶，喝了250毫升後，餘下100毫升，問這瓶果汁原有多少毫升？After drinking 250 mL of a bottle of orange juice and 100 mL are left. How many mL of orange juice were there in the bottle originally?

• 300

• 150

• 350

• 400

Tags

CCSS.3.MD.A.2

曲奇餅一罐，其中朱古力味的佔1/3，牛油味的佔1/4，這兩款曲奇餅共有35塊。這罐曲奇餅共有多少塊？There is a tin of cookies. 1/3 of the cookies are chocolate cookies and 1/4 of them are butter cookies. There are altogether 35 cookies of these two kinds. How many cookies are there in the tin?

• 60

• 50

• 40

• 30

Tags

CCSS.7.EE.B.3