Ivan and Tanya share £150 in the ratio 4: 1
Work out how much more Ivan gets compared to Tanya.

Ivan gets 90 more

Step-by-step explanation:

Divide 150 by 5 to get tanyas share, 30 pound, then subtract 30 from the 120 ivan gets

£90 more

Step-by-step explanation:

sum the parts of the ratio, 4 + 1 = 5 parts

Divide the amount by 5 to find the value of one part of the ratio

£150 ÷ 5 = £30 ← value of 1 part of the ratio, then

4 parts = 4 × £30 = £120 ← Ivan's share

£120 - £30 = £90

Ivan got £90 more than Tanya

explanation:

step-by-step explanation:

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2