Answer:
Step-by-step explanation:
Given
Represent Emma with E and Nikki with N
From the question, we have that:
and
Required
Determine the X number of goals
Substitute 15 for E in
Subtract 1 from both sides
Divide both sides by 2
This implies that Nikki scored 7 goals in total
The X number of goals is then calculated as:
Answer:Hope this can help you
3x + 2y = 39
5x - y = 13
Multiplying the last by two:
10x - 2y = 26
Adding to the first
13x = 65
x = 5
y = 5x-13 =25-13=12
Check:
3(5)+2(12)=39 good
5(5)-12=13 good
Answer: x=5, y=12
see below
Small bag
95p / 250 g * 12/12 to get to 3 kg = 1140 p / 3000g =11.40£s/ 3 kgs
Medium bag
1.8£ / 500 g * 6/6 to get to 3 kg = 10.8£ / 3000g =10.80£/ 3 kgs
Large bag
3.7£ / 3 kg *