Answer:
149
Step-by-step explanation:
If the expression 3x+10 is equal to 6 for some value of x, then what is the value of 3x+2 equal to for the same value of x ?
= 8 21/40
= 8 + 21/40
= 8/1 + 21/40
= (8/1 * 40/40) + 21/40
= 320/40 + 21/40
= 341/40
= 341 ÷ 40
= 8.525
54 is 75% of x.
75% of x:

75% of x is (3/4)x and 75% of x is 54. Set (3/4)x equal to 54:

54 is 75% of
72.
Answer:
The width of the door is 32 cm.
Explanation:
The formula for area is A = l*w
so the equation becomes:
1792 = 56*w
Divide both sides by 56 and you get
w = 32