Algeobrardy

The Basics

100

What is Y x Y?

Y2

200

A cow eats 7 times a day. Find how much times he eats in L days.

7L

300

What is a x 80?

80a

400

John has 65 stamps more than that of Tammy. If Tammy has f stamps, find out how much stamps they have together. (Write your answer with the answer in brackets followed by a space and then type stamps)

(2f + 65) stamps

Getting harder

100

A janitor is paid $x/hour. If he works for 8 hours, how much is he paid if x=$15?(Remember to put your dollar sign)

$120

200

The admission fee to a theme park costs $23 for children and $33 for adults. Max and his family, consisting of his parents and 2 sisters, visited the park and they were offered a discount of x%. Find the value of x if they paid $124.20.

8

300

Sarah scored 67 for her Mathematics, 84 for her Science, 78 for her English and x for her Humanities in the Mid Year Examination. Find x if Sarah scored a total of 304.

75

400

In the begining Lara and Claris had 500 hair pins altogether. After an argument, Lara and Claris came to an "agreement" that Lara would have j% , of Claris's original hairpins before they shared, more hairpins ,as she was older, Claris found it unfair but couldn't retaliate! Find the value of j if Lara had 365 hairpins and Claris had 135 pins in the end.

10

Medium

100

If a x a x a = b , b x b x b = c and c x c x c = 134217728, find a.

2

200

Simplify 6y x 7a x 7a ( 2 x 4 ) x 3y ( 2 x 4 ).

144y x 392a

300

Given the following, H=25/50m(f to the power of 5 x k to the power of 5), find H if m is 24, f is 5 and k is 2.

1200000

400

There are 3000 students in a hall taking an exam. 46% of them finished in time while the other y% failed to finish in time. Of the y% who failed to finish in time, 900 of them were boys while the rest were 40% of the girls.

54

Intermediate

100

Solve the equation 7x + 60 = 70 - 6x to find x.

1.3

200

Solve the equation 3x( 21 x 2 ) = 252 x 3x find x. (Give your answer in decimal)

1.5

300

3(6x x 9) 60 What is ------------ = ------------ ? (Answer in decimals) 5 15

8.1

400

Given the following S/5 = xr(r x ry), find S when x is 6, r is 4 and y is 8.

15360

ALGEPro

100

Charlie added 100ml of water into (xr)ml of Copper(II) oxide. He then added it to a solution of (rn)ml sulphuric acid and stirred it. It produced Copper(II) sulphate. Find the amount of Copper(II) sulphate if none of the chemicals were loss, assuming x is 15, r is 6 and n is 7. ( This question was to add some fun into the game, after those Solve this, that, questions! Please DO NOT try this without a certified Science Teacher!)

232

200

Solve 56p( 72xc x 5u ) + 34r/( 56fp x 5r) when p is 2, x is 3, c is u/100 , r is 4, f is r/2 and u is 2.

3796.14118

300

Gong Gong has $50p. If he invested x% of his $45p in a product and the product gave back o% of his original money, how much money does he have at first, if he has $100 now, x=o x 5 and o( 9 + 19 ) = 56.

$92

400

Khajornsak shared 4500 hairpins with Maverick's hairpins. Jun Sheng got interested and shared 50% of his hairpins. The ratio of Jun Sheng's hairpins to Maverick's hairpins is 2:1 and the ratio of Maverick's hairpins to Khajornsak's is 2:x, and in the end they had 10000 hairpins. Find the value of x. (Humour Question ;))

2750