There are only green pens and red pens in a box. There are three more red pens than green pens in the box.
Sheila is going to take at random two pens from the box.
17
The probability that Sheila will take two pens of the same colour is
35
Work out the two different numbers of green pens that could be in the box.
Your final line must be written in the form, There could be ... or ... green pens.
In your working, let g stand for the number of green pens.
Write fractions in the form alb. Eg 2g+9 would be written as g/(29 + 9)
+
Total marks: 6

answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.

step-by-step explanation:

for the free

the furthest the dog can be is 508 meters away from the house, and the closest he can be is 492 meters away from the house.