Answer:
x is approximately 11.5
Explanation:
10x - 20 + 7x + 4 = 180
17x - 16 = 180
17x = 196
x is approximately 11.5
Answer:
2d + 8
Step-by-step explanation:
twice the number d = 2 × d = 2d and 8 more means add on 8, that is
2d + 8 ← is the variable expression
Answer:
A petition
Step-by-step explanation:
Not much to explain, get people to add signatures then show the school
Answer:
45
Step-by-step explanation:
The 4 part of the ratio represents Pip's 20 sweets
Dividing 20 by 4 gives the value of one part of the ratio
20 ÷ 4 = 5 sweets ← value of 1 part of the ratio
Thus
Pip gets 20 sweets
Angad gets 20 sweets ( 4 parts of the ratio )
Nick gets 5 sweets ( 1 part of the ratio )
Total number of sweets = 20 + 20 + 5 = 45
Answer:
x=3, y=4. (3, 4).
Step-by-step explanation:
y=-x+7
y=x+1
-----------
-x+7=x+1
-x-x+7=1
-2x=1-7
-2x=-6
2x=6
x=6/2
x=3
y=3+1=4
