300x3=900
300 divided by 5 (0.2 as a fraction 1/5) is 60
60x8=480
900-480=420
Mrs Jenkins would give £420 to charity
hope this helps :)
90% = 90/100
x/40=90/100 cross multiply
100x = 3600 divide by 100 on both sides
x=36
Max needs to get at least 36 questions correct to earn a 90&
Answer: z = -3 , y = 2 , x = 2
Answer:
140
Step-by-step explanation:
Answer:
370
Step-by-step explanation:
Isolate the numbers so that you are only dividing sections at a time.
So 25 goes in to 92 three times. so we multiply 25 by three and subtract that from 92. Put the three at the top and repeat throughout.
92-75=17
Bring the next number down and repeat.