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4 t-shirts and a hat costs £31.00
2 t-shirts and a hat costs £17.00.
How much does a t-shirt cost?
How much does a hat cost?
~
t-shirt: £
I
hat: £
W

The t-shirt cost and a hat cost is £7 and £3.

Given that,

Based on the above information, the calculation is as follows:

4x + y = 31

2x + y = 17

Now subtarct equation 2 from 1

2x = 14

x = 7

So y is

4(7) + y = 31

28 + y = 31

y = 3

Therefore we can conclude that The t-shirt cost and a hat cost is £7 and £3

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1  teashirt=7 L

               1 hat= 3L

Step-by-step explanation:

2 T shirts= 31 -  17

2 T shirts= 14

1 T shirt=14/2

1 T = 7 L

14L+ 1H=17 L

one hat = 17 - 14=3 L

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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step-by-step explanation: