Break it down
"15 less than " means -15
"a number" means unknown or placeholder means x
"is equal to" means '='
'12' means 12
-15+x=12
add 15
x=27
Answer:
6 seconds
Step-by-step explanation:
Look on the x axis and it tells you the time, the y axis tells you the distance
To solve for x
x+7y=-4
x=-4-7y
Y = -x - 3 bc the y intercept is -3 and the graph goes down by negative one
Answer: £210
Step-by-step explanation:
you do the cm they given you so if it’s 630cm x 120cm = 75,600
30cm x 30cm = 900cm
75,600 divided by 900 = 84
£2.50 x 84 = £210
