A$300 phone is on sale for 20% and you have a coupon for an extra 10% off. how much will you pay for the phone? (no tax) ?

You will pay $210 for the phone

Step-by-step explanation:

20%+10%= 30%

100%-30%= 70%

70% of $300 is $210

x=17

step-by-step explanation:

solve 3x-24=x+10

then that makes it 2x=34 because you subtract an x from both sides to get rid of the one on the right, and then you add 24 to both sides to get rid of the 24 on the left

divide by both sides by 2 to get your answer so that you can get your answer

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