Answer:
39/10
39 ÷ 10= 3.9
<span>3.9 x 100 = 390%</span>
Answer:
Call the sister's height x. The boy is twice as tall, so that's 2x. The father is 30 cm taller than the boy, so his height is 2x + 30. The combined height is 3.8m, which is 380cm. Now you can write an equation
x + 2x + 2x + 30 = 380
collect like terms
5x = 350
x = 70
the sister is 70cm tall, the boy is 2*70 = 140 cm, and the father is 140 + 30 = 170cm
Check that the heights add up to 3.8m: 70 + 140 + 170 = 380 cm = 3.8m. Correct
Step-by-step explanation:
hope it helps
$55.00 is the interest due
Answer:
134/25
Step-by-step explanation:
5 9/25 > 5 * 25 = 125 + 9 = 134. > 134/25
126/14=9
so the width of the rectangle is 9
