84/60=1.4
210/1.4=150
The answer is 150 cm
Answer:
E
Step-by-step explanation:
19) Amount of oil in = amount of oil in final product
.025(x) + .09(40-x) = .055(40) (x = 2.5% amt 40 - x = 9% amt)
x = 21.54 L of 2.5 % then 9% = 18.46 L
Answer:
Step-by-step explanation:
(-11) + 3
<u>-</u><u>8</u>
Answer:
<h2>186 : 1</h2>
Step-by-step explanation:
1cm = 10mm
Therefore 8cm = 8 · 10mm = 80mm
The scale of the model

Answer:
9/3
Step-by-step explanation:
you can't subtract from zero or you can't subtract a number from zero.