shahedayman200 shahedayman200

17-11-2014
Mathematics

Answered

1. A drink and a box of popcorn together cost 90p. Two drinks and a box of popcorn together cost £1.45. What does a box of popcorn cost?

Answer :

iloveonedirection iloveonedirection

25-11-2014

Let d stand for the cost of a drink and p stand for the cost of a box of popcorn.

d + p = 0.9
2d + p = 1.45

d + p = 0.9
d = 0.9 - p

2(0.9 - p) + p = 1.45
1.8 - 2p + p = 1.45
1.8 - p = 1.45
-p = -0.35
p = 0.35

A box of popcorn costs 35p.

Answer Link

Other Questions

Which words in the sentence make up the adjective phrase? Which word does it modify? Can you imagine if all of the books we read today were produced by hand? A.

Which element has the lowest ionization energy? a.argon (Ar) b.bromine (Br) c.cesium (Cs) d.nickel (Ni)

Find five consecutive integers whose sum is 195

Which words in the sentence are the complete adjective clause? The reception was in the tent, which was decorated with strings of tiny lights. A. with strings o

The cashier thoughtlessly presented the man with a worn ripped dollar bill. What is the best way to rewrite this sentence? The cashier, thoughtlessly presented

Help on functions please.

Read the sentences. Antarctica is the coldest continent on Earth. It holds the record for the lowest temperature ever recorded: –128.6° F. Which choice shows th

Nine fewer than half a number is five more than four times the number. Define a variable, write an equation, and solve to find the number.

The "Reply All" button_________________________. a. sends the reply to all the emails in your Inbox b. sends the email to all the contacts in your address book

Read the sentence. Smiling and waving are the people along the curb. Which choice shows the sentence rewritten using normal subject-verb order? A. The people al